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439 relations: AB Addo, Abacus, Acorn Computers, Addiator, Adding machine, Adriano Olivetti, Aiken code, Algebraic operation, Algorithm, Amorphous silicon, Amstrad NC100, Andy Bernard, APEXC, Apollo Guidance Computer, Approximations of π, Arithmetic, Assembly language, Asterisk, Augmented learning, August 7, Automated teller machine, Avro Anson, Backlight, Beye, Binary logarithm, Birthday problem, Bo-Mobile, Broadway Arcade, Busicom, Button cell, Cal Tech, Calc, Calculated Industries, Calculation, Calculator (comics), Calculator (disambiguation), Calculator (macOS), Calculator character set, Calculator input methods, Calculator spelling, Calculator watch, Calculator-Based Laboratory, Canaton, Canon Inc., Caravaggio (1986 film), Casio, Casio BASIC, Casio calculator character sets, Casio ClassPad 300, Casio fx-7000G, ..., Casio FX-850P, Casio VL-1, Centimetre–gram–second system of units, Chartered Financial Analyst, Cheng Kaijia, Chiclet keyboard, Childcare voucher scheme, Chinese zodiac, Christian Communities (Elmo Stoll), Christian Ludwig Gersten, Clive Sinclair, Colossus computer, Commodore 64, Commodore International, Common logarithm, Comparison of software calculators, Comptometer, Computer, Computer data storage, Computer number format, Computer Warriors, Consumer electronics, Consumerization, Convair, CORDIC, Counting board, Crimson Editor, Curt Herzstark, D-pad, Darcy–Weisbach equation, Data processing, David Packard, Decimal floating point, Decimal separator, Decimo, Dejan Ristanović, Delay line memory, Depletion-load NMOS logic, Digitron (company), Diode matrix, Display device, Disruptive innovation, Division (mathematics), Division by zero, Divisumma 18, Duracell, E6B, East of England, Education in Romania, Electronic dictionary, Electronic organizer, Electronics, Electronics industry, Electronika, Elektronika MK-61, Elementary arithmetic, ELKA, Elka 22, Elmo Stoll, Embedded system, EMI, Engineering drawing, Engineering notation, Enter key, Epson HX-20, Equatorium, Equivalent weight, Eurema's Dam, Euro calculator, Expensive Desk Calculator, Exsecant, Factorial, Financial calculator, Firefly (mobile phone), FLOPS, Formula calculator, Fourteen-segment display, France Rode, Fred Singer, Friden, Inc., Function (engineering), Game & Watch, Gary Fanelli, Gerstmann syndrome, Glossary of mechanical engineering, GNU Emacs, GNUstep, Gorillas (video game), Green box (container), Growing Up in the Universe, Gunpei Yokoi, H. 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Expand index (389 more) »
AB Addo
AB Addo (Aktiebolaget Addo) was a Swedish engineering company which manufactured office machines.
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Abacus
The abacus (plural abaci or abacuses), also called a counting frame, is a calculating tool that was in use in Europe, China and Russia, centuries before the adoption of the written Hindu–Arabic numeral system.
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Acorn Computers
Acorn Computers Ltd. was a British computer company established in Cambridge, England, in 1978.
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Addiator
The Addiator is a mechanical add/subtract calculator, once made by Addiator Gesellschaft, Berlin.
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Adding machine
An adding machine was a class of mechanical calculator, usually specialized for bookkeeping calculations.
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Adriano Olivetti
Adriano Olivetti (born on 11 April 1901 in Ivrea, Piedmont, died 27 February 1960 on a train from Milan to Lausanne) was an Italian engineer, politician and industrialist whose entrepreneurial activity thrived on the idea that profit should be reinvested for the benefits of the whole society.
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Aiken code
The Aiken code (also known as 2421 code) is a complementary binary-coded decimal (BCD) code.
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Algebraic operation
In mathematics, a basic algebraic operation is any one of the traditional operations of arithmetic, which are addition, subtraction, multiplication, division, raising to an integer power, and taking roots (fractional power).
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Algorithm
In mathematics and computer science, an algorithm is an unambiguous specification of how to solve a class of problems.
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Amorphous silicon
Amorphous silicon (a-Si) is the non-crystalline form of silicon used for solar cells and thin-film transistors in LCDs.
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Amstrad NC100
The Amstrad NC100 Notepad was an A4-size, portable Z80-based computer, released by Amstrad in 1992. It featured 64 KB of RAM, the Protext word processor, various organiser-like facilities (diary, address book and time manager), a simple calculator, and a version of the BBC BASIC interpreter. Its screen was 80 character columns by eight rows, and not backlit, but this let the NC100 run for up to 20 hours on four standard AA cell batteries. There was an RS232 serial port, a parallel port for connecting a printer, and a PC card socket, by means of which the computer's memory could be expanded up to 1 MB.
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Andy Bernard
Andrew Baines Bernard (born in 1973; Walter Bernard, Jr.) is a fictional character from the U.S. comedy television series, The Office.
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APEXC
The APE(X)C, or All Purpose Electronic (X) Computer series was designed by Andrew Donald Booth at Birkbeck College, London in the early 1950s.
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Apollo Guidance Computer
The Apollo Guidance Computer (AGC) was a digital computer produced for the Apollo program that was installed on board each Apollo Command Module (CM) and Lunar Module (LM).
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Approximations of π
Approximations for the mathematical constant pi in the history of mathematics reached an accuracy within 0.04% of the true value before the beginning of the Common Era (Archimedes).
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Arithmetic
Arithmetic (from the Greek ἀριθμός arithmos, "number") is a branch of mathematics that consists of the study of numbers, especially the properties of the traditional operations on them—addition, subtraction, multiplication and division.
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Assembly language
An assembly (or assembler) language, often abbreviated asm, is a low-level programming language, in which there is a very strong (but often not one-to-one) correspondence between the assembly program statements and the architecture's machine code instructions.
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Asterisk
An asterisk (*); from Late Latin asteriscus, from Ancient Greek ἀστερίσκος, asteriskos, "little star") is a typographical symbol or glyph. It is so called because it resembles a conventional image of a star. Computer scientists and mathematicians often vocalize it as star (as, for example, in the A* search algorithm or C*-algebra). In English, an asterisk is usually five-pointed in sans-serif typefaces, six-pointed in serif typefaces, and six- or eight-pointed when handwritten. It is often used to censor offensive words, and on the Internet, to indicate a correction to a previous message. The asterisk is derived from the need of the printers of family trees in feudal times for a symbol to indicate date of birth. The original shape was seven-armed, each arm like a teardrop shooting from the center. In computer science, the asterisk is commonly used as a wildcard character, or to denote pointers, repetition, or multiplication.
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Augmented learning
Augmented learning is an on-demand learning technique where the environment adapts to the learner.
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August 7
This day marks the approximate midpoint of summer in the Northern Hemisphere and of winter in the Southern Hemisphere (starting the season at the June solstice).
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Automated teller machine
An automated teller machine (ATM) is an electronic telecommunications device that enables customers of financial institutions to perform financial transactions, such as cash withdrawals, deposits, transfer funds, or obtaining account information, at any time and without the need for direct interaction with bank staff.
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Avro Anson
The Avro Anson is a British twin-engined, multi-role aircraft built by the aircraft manufacturer Avro.
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Backlight
A backlight is a form of illumination used in liquid crystal displays (LCDs).
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Beye
BEYE (Binary EYE) is a multiplatform, portable viewer of binary files with a built-in editor that functions in binary, hexadecimal and disassembler modes.
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Binary logarithm
In mathematics, the binary logarithm is the power to which the number must be raised to obtain the value.
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Birthday problem
In probability theory, the birthday problem or birthday paradox concerns the probability that, in a set of randomly chosen people, some pair of them will have the same birthday.
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Bo-Mobile
The company, which was established in Bonn, Germany in 1998 and is also based there, has been known as Bo-Mobile GmbH since 2005.
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Broadway Arcade
The Broadway Arcade in Los Angeles, California, also known as the Spring Street Arcade, refers to three adjoining buildings opened in 1924 on the site of the historic Mercantile Place, which in turn had been constructed on property once used as a schoolhouse, facing both Broadway and Spring Street midway between Fifth and Sixth streets in the Downtown district.
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Busicom
Busicom was a Japanese company that owned the rights to Intel's first microprocessor, the Intel 4004, which they created in partnership with Intel in 1970.
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Button cell
A watch battery or button cell is a small single cell battery shaped as a squat cylinder typically in diameter and high — like a button on a garment, hence the name.
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Cal Tech
Cal Tech may refer to.
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Calc
Calc may refer to.
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Calculated Industries
Calculated Industries, sometimes referred to as CI, is a company that specializes in industry specific calculators.
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Calculation
A calculation is a deliberate process that transforms one or more inputs into one or more results, with variable change.
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Calculator (comics)
The Calculator (Noah Kuttler) is a fictional supervillain appearing in American comic books published by DC Comics.
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Calculator (disambiguation)
A calculator (in the current usage of the word) is an electronic hand-held device that performs mathematical computations.
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Calculator (macOS)
Calculator is a basic calculator application made by Apple Inc. and bundled with macOS.
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Calculator character set
A calculator character set is a character encoding scheme for a calculator.
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Calculator input methods
There are various ways in which calculators interpret keystrokes.
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Calculator spelling
Calculator spelling is an unintended characteristic of the seven-segment display traditionally used by calculators, in which, when read upside-down, the digits resemble letters of the Latin alphabet.
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Calculator watch
A calculator watch is a digital watch with a built in calculator, usually including buttons on the watch face.
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Calculator-Based Laboratory
The Calculator-Based Laboratory (CBL) is a data collection device manufactured by Texas Instruments and introduced in 1994.
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Canaton
Canaton Calculator Co., Ltd.|佳达通计算器 is a multinational electronic devices manufacturing company, headquartered in Shantou, China.
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Canon Inc.
is a Japanese multinational corporation specializing in the manufacture of imaging and optical products, including cameras, camcorders, photocopiers, steppers, computer printers and medical equipment. It's headquartered in Ōta, Tokyo, Japan."." Canon. Retrieved on 13 January 2009. Canon has a primary listing on the Tokyo Stock Exchange and is a constituent of the TOPIX index. It has a secondary listing on the New York Stock Exchange.
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Caravaggio (1986 film)
Caravaggio is a 1986 British drama film directed by Derek Jarman.
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Casio
is a Japanese multinational consumer electronics and commercial electronics manufacturing company headquartered in Shibuya, Tokyo, Japan.
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Casio BASIC
Casio BASIC is a programming language used in the Casio calculators such as the Classpad, fx-9860G Series, and CFX graphing calculators.
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Casio calculator character sets
Casio calculator character sets are a group of character sets used by various Casio calculators and pocket computers.
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Casio ClassPad 300
The Casio ClassPad 300, ClassPad 330 and fx-CP400http://www.casio-intl.com/asia-mea/en/news/2012/fx-cp400/ are stylus based touch-screen graphing calculators.
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Casio fx-7000G
The Casio FX-7000G is a calculator which is widely known as being the world's first graphing calculator available to the public.
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Casio FX-850P
The Casio FX-850P is a scientific calculator introduced in 1987 and sold until 1992.
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Casio VL-1
The VL-1 was the first instrument of Casio's VL-Tone product line, and is sometimes referred to as the VL-Tone.
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Centimetre–gram–second system of units
The centimetre–gram–second system of units (abbreviated CGS or cgs) is a variant of the metric system based on the centimetre as the unit of length, the gram as the unit of mass, and the second as the unit of time.
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Chartered Financial Analyst
The Chartered Financial Analyst (CFA) Program is a professional credential offered internationally by the American-based CFA Institute (formerly the Association for Investment Management and Research, or AIMR) to investment and financial professionals.
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Cheng Kaijia
Cheng Kaijia (born August 3, 1918) is a Chinese nuclear physicist and engineer.
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Chiclet keyboard
A chiclet keyboard, or island-style keyboard, is a type of input device for electronic systems such as personal computers, calculators and remote controls that uses keys in the shape of small squares with rounded corners and straight sides, in the style of Chiclets, an American chewing gum brand.
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Childcare voucher scheme
The Childcare Voucher Scheme is a UK government initiative aimed at helping working parents to benefit from tax efficiencies in order to save money on childcare.
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Chinese zodiac
The Chinese zodiac is a classification scheme that assigns an animal and its reputed attributes to each year in a repeating 12-year cycle.
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Christian Communities (Elmo Stoll)
The "Christian Communities" were Christian intentional communities with an Anabaptist worldview, founded and led by Elmo Stoll (19441998), a former Old Order Amish bishop.
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Christian Ludwig Gersten
Christian Ludwig Gersten (7 February 1701 – 13 August 1762) was a German scientist.
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Clive Sinclair
Sir Clive Marles Sinclair (born 30 July 1940) is an English entrepreneur and inventor, most commonly known for his work in consumer electronics in the late 1970s and early 1980s.
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Colossus computer
Colossus was a set of computers developed by British codebreakers in the years 1943–1945 to help in the cryptanalysis of the Lorenz cipher.
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Commodore 64
The Commodore 64, also known as the C64 or the CBM 64, is an 8-bit home computer introduced in January 1982 by Commodore International (first shown at the Consumer Electronics Show, in Las Vegas, January 7–10, 1982).
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Commodore International
Commodore International (or Commodore International Limited) was an American home computer and electronics manufacturer founded by Jack Tramiel.
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Common logarithm
In mathematics, the common logarithm is the logarithm with base 10.
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Comparison of software calculators
This is a list of notable software calculators.
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Comptometer
The comptometer was the first commercially successful key-driven mechanical calculator, patented in the United States by Dorr E. Felt in 1887.
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Computer
A computer is a device that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming.
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Computer data storage
Computer data storage, often called storage or memory, is a technology consisting of computer components and recording media that are used to retain digital data.
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Computer number format
A computer number format is the internal representation of numeric values in digital computer and calculator hardware and software.
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Computer Warriors
Computer Warriors was a toy line made by Mattel from 1989-1990.
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Consumer electronics
Consumer electronics or home electronics are electronic (analog or digital) equipments intended for everyday use, typically in private homes.
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Consumerization
Consumerization is the reorientation of product and service designs to focus on (and market to) the end user as an individual consumer, in contrast with an earlier era of only organization-oriented offerings (designed solely for business-to-business or business-to-government sales).
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Convair
Convair was an American aircraft manufacturing company which later expanded into rockets and spacecraft.
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CORDIC
CORDIC (for COordinate Rotation DIgital Computer), also known as Volder's algorithm, is a simple and efficient algorithm to calculate hyperbolic and trigonometric functions, typically converging with one digit (or bit) per iteration.
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Counting board
The counting board is the precursor of the abacus, and the earliest known form of a counting device (excluding fingers and other very simple methods).
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Crimson Editor
Crimson Editor is a freeware text editor for Microsoft Windows.
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Curt Herzstark
Curt Herzstark (July 26, 1902 – October 27, 1988) was an Austrian engineer.
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D-pad
A D-pad (short for directional pad or digital pad; also known as a control pad) is a flat, usually thumb-operated four-way directional control with one button on each point, found on nearly all modern video game console gamepads, game controllers, on the remote control units of some television and DVD players, and smart phones.
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Darcy–Weisbach equation
In fluid dynamics, the Darcy–Weisbach equation is a phenomenological equation, which relates the head loss, or pressure loss, due to friction along a given length of pipe to the average velocity of the fluid flow for an incompressible fluid.
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Data processing
Data processing is, generally, "the collection and manipulation of items of data to produce meaningful information." In this sense it can be considered a subset of information processing, "the change (processing) of information in any manner detectable by an observer." Data processing is distinct from word processing, which is manipulation of text specifically rather than data generally.
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David Packard
David Packard (September 7, 1912 – March 26, 1996) was an electrical engineer and co-founder, with William Hewlett, of Hewlett-Packard (1939), serving as president (1947–64), CEO (1964–68), and Chairman of the Board (1964–68, 1972–93).
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Decimal floating point
Decimal floating-point (DFP) arithmetic refers to both a representation and operations on decimal floating-point numbers.
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Decimal separator
A decimal separator is a symbol used to separate the integer part from the fractional part of a number written in decimal form.
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Decimo
Decimo Ltd was a British electronics manufacturer.
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Dejan Ristanović
Dejan Ristanović (Дејан Ристановић), is a well known Serbian writer and computer publicist.
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Delay line memory
Delay line memory is a form of computer memory, now obsolete, that was used on some of the earliest digital computers.
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Depletion-load NMOS logic
In integrated circuits, depletion-load NMOS is a form of digital logic family that uses only a single power supply voltage, unlike earlier nMOS logic families that needed more than one different power supply voltage.
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Digitron (company)
Digitron is a Croatian electronics company located in Buje, Istria.
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Diode matrix
A diode matrix is a two-dimensional grid of wires: each "intersection" wherein one row crosses over another has either a diode connecting them, or the wires are isolated from each other.
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Display device
A display device is an output device for presentation of information in visual or tactile form (the latter used for example in tactile electronic displays for blind people).
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Disruptive innovation
In business, a Disruptive innovation is an innovation that creates a new market and value network and eventually disrupts an existing market and value network, displacing established market-leading firms, products, and alliances.
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Division (mathematics)
Division is one of the four basic operations of arithmetic, the others being addition, subtraction, and multiplication.
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Division by zero
In mathematics, division by zero is division where the divisor (denominator) is zero.
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Divisumma 18
The Divisumma 18 was an electronic printing business calculator manufactured by Olivetti in 1972 and designed by Milanese architect Mario Bellini.
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Duracell
Duracell Inc. is an American manufacturing company owned by Berkshire Hathaway that produces batteries and smart power systems.
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E6B
The E6B flight computer, nicknamed the "whiz wheel" or "prayer wheel", is a form of circular slide rule used in aviation and one of the very few analog calculating devices in widespread use in the 21st century.
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East of England
The East of England is one of nine official regions of England at the first level of NUTS for statistical purposes.
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Education in Romania
Education in Romania is based on a free-tuition, egalitarian system.
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Electronic dictionary
An electronic dictionary is a dictionary whose data exists in digital form and can be accessed through a number of different media.
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Electronic organizer
An electronic organizer (or electric organizer) is a small calculator-sized computer, often with an in-built diary application but few other functions such as an address book and calendar.
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Electronics
Electronics is the discipline dealing with the development and application of devices and systems involving the flow of electrons in a vacuum, in gaseous media, and in semiconductors.
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Electronics industry
The electronics industry, especially meaning consumer electronics, emerged in the 20th century and has now become a global industry worth billions of dollars.
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Electronika
Electronika, also spelt Electronica, (Электроника) is the brand name used for many different electronic products built by factories belonging to the Soviet Ministry of Electronic Industry, including calculators, electronic watches, portable games, and radios.
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Elektronika MK-61
The Elektronika MK-61 (Электро́ника МК-61) is a third-generation non-BASIC, RPN programmable calculator which was manufactured in the Soviet Union during the years 1983 to 1994.
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Elementary arithmetic
Elementary arithmetic is the simplified portion of arithmetic that includes the operations of addition, subtraction, multiplication, and division.
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ELKA
ELKA (ЕЛКА) is a Bulgarian brand of electronic calculator, developed by the Central Institute for Computation Technologies(bg) and built at the Elektronika factory in Sofia.
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Elka 22
The Elka 22 was the second Bulgarian electronic calculator; it was released in 1966 and its serial production began in 1967 in the town of Silistra.
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Elmo Stoll
Elmo Stoll (March 5, 1944 – September 2, 1998) was a former Old Order Amish bishop, writer and founder of the "Christian Communities".
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Embedded system
An embedded system is a computer system with a dedicated function within a larger mechanical or electrical system, often with real-time computing constraints.
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EMI
EMI Group Limited (originally an initialism for Electric and Musical Industries and also referred to as EMI Records Ltd.) was a British multinational conglomerate founded in March 1931 in London.
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Engineering drawing
An engineering drawing, a type of technical drawing, is used to fully and clearly define requirements for engineered items.
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Engineering notation
Engineering notation or engineering form is a version of scientific notation in which the exponent of ten must be divisible by three (i.e., they are powers of a thousand, but written as, for example, 106 instead of 10002).
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Enter key
On computer keyboards, the enter key (or the return key on Macs and most Sun Workstations) in most cases causes a command line, window form, or dialog box to operate its default function.
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Epson HX-20
The Epson HX-20 (also known as the HC-20) was the first laptop computer.
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Equatorium
An equatorium (plural, equatoria) is an astronomical calculating instrument.
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Equivalent weight
Equivalent weight (also known as gram equivalent) is a term which has been used in several contexts in chemistry.
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Eurema's Dam
"Eurema's Dam" is a science fantasy story by R. A. Lafferty.
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Euro calculator
A euro calculator is a very popular type of calculator in European countries (see eurozone) that adopted the euro as their official monetary unit.
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Expensive Desk Calculator
Expensive Desk Calculator by Robert A. Wagner is thought to be computing's first interactive calculation program.
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Exsecant
The exsecant (exsec, exs) and excosecant (excosec, excsc, exc) are trigonometric functions defined in terms of the secant and cosecant functions.
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Factorial
In mathematics, the factorial of a non-negative integer n, denoted by n!, is the product of all positive integers less than or equal to n. For example, The value of 0! is 1, according to the convention for an empty product.
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Financial calculator
A financial calculator or business calculator is an electronic calculator that performs financial functions commonly needed in business and commerce communities.
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Firefly (mobile phone)
Firefly is a cellphone aimed at parents to give to their children aged 5–12 years.
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FLOPS
In computing, floating point operations per second (FLOPS, flops or flop/s) is a measure of computer performance, useful in fields of scientific computations that require floating-point calculations.
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Formula calculator
A formula calculator is a software calculator that can perform a calculation in two steps.
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Fourteen-segment display
A fourteen-segment display (FSD) (sometimes referred to as a starburst display or Union Jack display) is a type of display based on 14 segments that can be turned on or off to produce letters and numerals.
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France Rode
France Rode (November 20, 1934 – June 7, 2017) was a Slovenian engineer and inventor best known for his work on the HP-35 pocket calculator.
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Fred Singer
Siegfried Fred Singer (born September 27, 1924) is an Austrian-born American physicist and emeritus professor of environmental science at the University of Virginia.
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Friden, Inc.
Friden Calculating Machine Company (Friden, Inc.) was an American manufacturer of typewriters and mechanical, later electronic calculators.
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Function (engineering)
In engineering, a function is interpreted as a specific process, action or task that a system is able to perform.
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Game & Watch
Game & Watch (Gēmu & Uotchi; called Tricotronic in West Germany and Austria) is a line of handheld electronic games produced by Nintendo from 1980 to 1991.
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Gary Fanelli
Gary M. Fanelli (born October 24, 1950) is a long-distance runner from the United States who represented American Samoa in the marathon at the 1988 Summer Olympics in Seoul, South Korea.
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Gerstmann syndrome
Gerstmann syndrome is a neuropsychiatric disorder that is characterized by a constellation of symptoms that suggests the presence of a lesion in a particular area of the brain.
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Glossary of mechanical engineering
Most of the terms listed in Wikipedia glossaries are already defined and explained within Wikipedia itself.
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GNU Emacs
GNU Emacs is the most popular and most ported Emacs text editor.
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GNUstep
GNUstep is a free software implementation of the Cocoa (formerly OpenStep) Objective-C frameworks, widget toolkit, and application development tools for Unix-like operating systems and Microsoft Windows.
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Gorillas (video game)
Gorillas, also known under the source code's file name Gorilla.Bas, is a video game first distributed with MS-DOS 5 and published in 1991 by IBM corporation.
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Green box (container)
The Green Box (GB) is a large metal container, designed and utilized for free public disposal and recycling of electronic waste.
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Growing Up in the Universe
Growing Up in the Universe was a series of lectures given by Richard Dawkins as part of the Royal Institution Christmas Lectures, in which he discussed the evolution of life in the universe.
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Gunpei Yokoi
, sometimes transliterated Gumpei Yokoi, was a Japanese video game designer.
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H. Dean Brown
Harold Dean Brown (August 13, 1927 – June 24, 2003) was a scientist in the United States.
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Halcyon (console)
The Halcyon is a home video game console by RDI Video Systems.
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Handheld electronic game
Handheld electronic game(s) are very small, portable devices for playing interactive electronic games, often miniaturized versions of video games.
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Handheld game console
A handheld game console is a small, portable self-contained video game console with a built-in screen, game controls, and speakers.
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Hans Blohm
Hans-Ludwig Blohm, C.M. (born November 12, 1927 in Rendsburg, Germany) is a photographer and author.
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Haverford College
Haverford College is a private, coeducational liberal arts college in Haverford, Pennsylvania.
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Helio Ocean
The Helio Ocean was a dual slider Internet-enabled multimedia wireless mobile device sold by mobile virtual network operator (MVNO) wireless carrier Helio, and manufactured by Pantech Curitel.
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Hewlett-Packard
The Hewlett-Packard Company (commonly referred to as HP) or shortened to Hewlett-Packard was an American multinational information technology company headquartered in Palo Alto, California.
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Hewlett-Packard Voyager series
The Hewlett-Packard Voyager series of calculators were introduced by Hewlett-Packard in 1981.
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Highgate School
Highgate School, formally Sir Roger Cholmeley's School at Highgate, is a British coeducational independent school, founded in 1565 in Highgate, London, England.
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History of computing hardware
The history of computing hardware covers the developments from early simple devices to aid calculation to modern day computers.
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History of general-purpose CPUs
The history of general-purpose CPUs is a continuation of the earlier history of computing hardware.
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History of logarithms
The history of logarithms is the story of a correspondence (in modern terms, a group isomorphism) between multiplication on the positive real numbers and addition on the real number line that was formalized in seventeenth century Europe and was widely used to simplify calculation until the advent of the digital computer.
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History of science and technology in Japan
This is the history of science and technology in Japan.
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Hong Kong Mathematical High Achievers Selection Contest
Hong Kong Mathematical High Achievers Selection Contest (HKMHASC, Traditional Chinese: 香港青少年數學精英選拔賽) is a yearly mathematics competition for students of or below Secondary 3 in Hong Kong.
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Hong Kong Mathematics Olympiad
Hong Kong Mathematics Olympiad (HKMO) is a Mathematics Competition held in Hong Kong every year, jointly organized by the Hong Kong Institute of Education and Education Bureau.
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HP 9800 series
The HP 9800 was a family of what were initially called programmable calculators and later desktop computers made by Hewlett-Packard, replacing their first HP 9100 calculator.
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HP calculator character set
HP calculator character set refers to various calculator character sets used in calculators manufactured by Hewlett-Packard.
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HP calculators
HP calculators are various calculators manufactured by the Hewlett-Packard company over the years.
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HP-12C
The HP-12C is a financial calculator made by Hewlett-Packard (HP) and its successor HP Inc'''.''' as part of the HP Voyager series.
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HP-15C
The HP-15C is a high-end scientific programmable calculator of Hewlett-Packard's Voyager series produced between 1982 and 1989.
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HP-16C
The HP-16C Computer Scientist is a programmable pocket calculator that was produced by Hewlett-Packard between 1982 and 1989.
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HP-18C
The HP-18C was a Hewlett-Packard business calculator which was quickly followed by the very similar but greatly improved HP-19B.
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HP-19B
HP-19B, introduced on January 4, 1988, along with the HP-17B, HP-27S and the HP-28S, and replaced by the HP-19BII (F1639A) in January 1990, was a simplified Hewlett Packard business model calculator, like the 17B.
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HP-19C/-29C
The HP-19C and HP-29C were scientific/engineering pocket calculators made by Hewlett-Packard between 1977 and 1979.
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HP-22
The HP-22 was a finance-oriented pocket calculator produced by Hewlett-Packard between 1975 and 1978.
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HP-22S
The HP-22S is an electronic calculator from the Hewlett-Packard company which is algebraic and scientific.
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HP-27S
The HP-27S was a pocket calculator produced by Hewlett-Packard, introduced in 1988, and discontinued between 1990 and 1993 (sources vary).
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HP-32S
The HP-32S was a programmable RPN Scientific Calculator introduced by Hewlett-Packard in 1988.
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HP-35
The HP-35 was Hewlett-Packard's first pocket calculator and the world's first scientific pocket calculator – a calculator with trigonometric and exponential functions.
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HP-41C
The HP-41C series are programmable, expandable, continuous memory handheld RPN calculators made by Hewlett-Packard from 1979 to 1990.
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Human computer
The term "computer", in use from the early 17th century (the first known written reference dates from 1613), meant "one who computes": a person performing mathematical calculations, before electronic computers became commercially available.
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I Am Rich
I Am Rich is an iOS application which was formerly distributed using the App Store, and developed by Armin Heinrich.
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I Love the '70s (U.S. TV series)
I Love the '70s is a decade nostalgia television mini-series produced by VH1.
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IBM 602
The IBM 602 Calculating Punch, introduced in 1946, was an electromechanical calculator capable of addition, subtraction, multiplication, and division.
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IBM 6400 Series
The IBM 6400 series is a series of four calculating and accounting machines produced by IBM starting in 1962.
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Index of engineering science and mechanics articles
This is an alphabetical list of articles pertaining specifically to Engineering Science and Mechanics (ESM).
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Index of mechanical engineering articles
This is an alphabetical list of articles pertaining specifically to mechanical engineering.
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Institut national de la statistique et des études économiques
The National Institute of Statistics and Economic Studies (Institut national de la statistique et des études économiques), abbreviated INSEE, is the national statistics bureau of France.
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Institute of Mathematics and Informatics (Bulgarian Academy of Sciences)
The Institute of Mathematics and Informatics was established in 1947 as Institute of Mathematics at the Bulgarian Academy of Sciences.
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Intel 4004
The Intel 4004 is a 4-bit central processing unit (CPU) released by Intel Corporation in 1971.
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Intel 8008
The Intel 8008 ("eight-thousand-eight" or "eighty-oh-eight") is an early byte-oriented microprocessor designed and manufactured by Intel and introduced in April 1972.
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Intel 8080
The Intel 8080 ("eighty-eighty") was the second 8-bit microprocessor designed and manufactured by Intel and was released in April 1974.
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Intel 8086
The 8086 (also called iAPX 86) is a 16-bit microprocessor chip designed by Intel between early 1976 and mid-1978, when it was released.
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Intellec
The Intellec computers were a series of early microcomputers Intel produced in the 1970s as a development platform for their processors.
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Interactive Mathematics Program
The Interactive Mathematics Program (IMP) is a four-year, problem-based mathematics curriculum for high schools.
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International Display Works
International Display Works, Inc.
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Interpunct
An interpunct (·), also known as an interpoint, middle dot, middot, and centered dot or centred dot, is a punctuation mark consisting of a vertically centered dot used for interword separation in ancient Latin script.
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IPO model
The input–process–output (IPO) model, or input-process-output pattern, is a widely used approach in systems analysis and software engineering for describing the structure of an information processing program or other process.
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Iretron
iReTron is a recommerce and recycling service company in Los Gatos, California.
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Irving Stringham
Washington Irving Stringham (December 10, 1847 – October 5, 1909) was a "Professor of Mathematics and Sometime Dean in the University of California" born in Yorkshire, New York.
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It's Academic (New Zealand game show)
It's Academic was a general knowledge quiz show for high school students in New Zealand, broadcast by TVNZ in the 1980s.
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Ivrea
Ivrea (Eporedia) is a town and comune of the Metropolitan City of Turin in the Piedmont region of northwestern Italy.
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Jack Kilby
Jack St.
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James R. Biard
Dr.
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Joseph Desch
Joseph Raymond Desch (23 May 1907 – August 3, 1987) was an American electrical engineer and inventor.
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June 8
No description.
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Kathleen Antonelli
Kathleen "Kay" McNulty Mauchly Antonelli (12 February,While her official date of birth is always listed as 12 February, Antonelli herself suspected she may have been born on 13 February, the date having been "fudged" by her family according to a common practice out of Irish triskaidekaphobic superstition. 1921 – 20 April 2006) was an American computer programmer and one of the six original programmers of the ENIAC, the first general-purpose electronic digital computer.
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KCalc
KCalc is the software calculator integrated with the KDE Software Compilation.
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Keychain
A keychain, or keyring, is a small chain, usually made from metal or plastic, that connects a small item to a keyring.
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Keypad
A keypad is a set of buttons arranged in a block or "pad" which bear digits, symbols or alphabetical letters.
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KIM-1
The KIM-1, short for Keyboard Input Monitor, is a small 6502-based single-board computer developed and produced by MOS Technology, Inc. and launched in 1976.
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Kombinat Mikroelektronik Erfurt
VEB Kombinat Mikroelektronik Erfurt was an important manufacturer of active electronic components in East Germany.
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L-estimator
In statistics, an L-estimator is an estimator which is an L-statistic – a linear combination of order statistics of the measurements.
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Leibniz wheel
A Leibniz wheel or stepped drum is a cylinder with a set of teeth of incremental lengths which, when coupled to a counting wheel, can be used in the calculating engine of a class of mechanical calculators.
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Lightguide display
A Lightguide display (also known as an edge-lit display) is an obsolete electronic mechanism which was used for displaying alphanumeric characters in electronic devices such as calculators, multimeters, laboratory measurement instruments, and entertainment machines such as pinball games.
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Liquid-crystal display
A liquid-crystal display (LCD) is a flat-panel display or other electronically modulated optical device that uses the light-modulating properties of liquid crystals.
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List of Batman Family adversaries
The Batman Family adversaries are a collection of fictional supervillains appearing in American comic books published by DC Comics.
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List of British innovations and discoveries
The following is a list and timeline of innovations as well as inventions and discoveries that involved British people or the United Kingdom including predecessor states in the history of the formation of the United Kingdom.
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List of collectables
This is a list of popular collectables described in Wikipedia articles.
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List of computer scientists
This is a list of computer scientists, people who do work in computer science, in particular researchers and authors.
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List of computer size categories
This list of computer size categories attempts to list commonly used categories of computer by the physical size of the device and its chassis or case, in descending order of size.
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List of computer system emulators
This article lists software and hardware that emulates computing platforms.
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List of Desert Island Discs episodes (1971–80)
The BBC Radio 4 programme Desert Island Discs invites castaways to choose eight pieces of music, a book (in addition to the Bible - or a religious text appropriate to that person's beliefs - and the Complete Works of Shakespeare) and a luxury item that they would take to an imaginary desert island, where they will be marooned indefinitely.
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List of English inventions and discoveries
English inventions and discoveries are objects, processes or techniques invented, innovated or discovered, partially or entirely, in England by a person from England (that is, someone born in England - including to non-English parents - or born abroad with at least one English parent and who had the majority of their education or career in England).
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List of Hewlett-Packard products
The following is a partial list of products manufactured under the Hewlett-Packard brand.
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List of IEEE milestones
This list of IEEE Milestones describes the Institute of Electrical and Electronics Engineers (IEEE) milestones, representing key historical achievements in electrical and electronic engineering.
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List of Japanese inventions and discoveries
This is a list of Japanese inventions and discoveries.
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List of Latin words with English derivatives
This is a list of Latin words with derivatives in English (and other modern languages).
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List of macOS components
This is a list of macOS (earlier called Mac OS X) components, features that are included in the current Mac operating system.
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List of Martin Gardner Mathematical Games columns
Over a period of 24 years (January 1957 – December 1980), Martin Gardner wrote 288 consecutive "Mathematical Games" columns for Scientific American magazine.
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List of Microsoft Windows components
The following is a list of Microsoft Windows components.
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List of obsolete technology
This is a list of obsolete technology which includes newer technologies that replaced the older ones.
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List of open-source software for mathematics
This is a list of open-source software to be used for high-order mathematical calculations.
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List of pioneers in computer science
This article presents a list of individuals who made transformative breakthroughs in the creation, development and imagining of what computers and electronics could do.
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List of Spanish inventions and discoveries
The following list is composed of items, techniques and processes that were invented by or discovered by people from Spain.
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List of The Legend of Zelda media
The Legend of Zelda is a video game series created by game designers Shigeru Miyamoto and Takashi Tezuka.
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List of villains in VR Troopers
This is a list of villains in the television show VR Troopers.
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List of watchmakers
This chronological list of famous watchmakers is a list of those who influenced the development of horology or gained iconic status by their creations.
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List of Zune applications
Zune applications were mobile apps and games that were available for Microsoft's Zune portable media players.
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Little Professor
The Little Professor is a backwards-functioning calculator designed for children ages 5 to 9.
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Long-range locator
A long-range locator is a class of devices purported to be a type of metal detector, supposedly able to detect a variety of substances, including gold, drugs and explosives; most are said to operate on a principle of resonance with the material being detected.
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Maadiran Group
The Maadiran group is an Iranian conglomerate group.
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Machinist calculator
A machinist calculator is a hand-held calculator programmed with built-in formulas making it easy and quick for machinists to establish speeds, feeds and time without guesswork or conversion charts.
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Magnetic-core memory
Magnetic-core memory was the predominant form of random-access computer memory for 20 years between about 1955 and 1975.
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Marjorie Gubelmann
Marjorie Gubelmann is the founder, owner and CEO of Vie Luxe International, a prominent socialite, philanthropist and celebrity DJ.
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Mark Shepherd (businessman)
Mark Shepherd Jr. (January 18, 1923 – February 4, 2009) was the chairman and chief executive officer of Texas Instruments.
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Mass media
The mass media is a diversified collection of media technologies that reach a large audience via mass communication.
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Mathcounts
Mathcounts, stylized as MATHCOUNTS, is a nationwide middle school mathematics competition held in various places in the United States.
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Mathematical instrument
A mathematical instrument is a tool or device used in the study or practice of mathematics.
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Mathematical joke
A mathematical joke is a form of humor which relies on aspects of mathematics or a stereotype of mathematicians to derive humor.
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Mathematical table
Mathematical tables are lists of numbers showing the results of calculation with varying arguments.
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Mathematics education in the United Kingdom
Mathematics education in the United Kingdom is largely carried out at ages 11–16 at secondary school.
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MCM/70
The MCM/70 was a pioneering microcomputer first built in 1973 in Toronto, Ontario, Canada and released the next year, making it one of the first microcomputers in the world, the second to be shipped in completed form, and the first portable computer.
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Mechanical calculator
A mechanical calculator, or calculating machine, is a mechanical device used to perform automatically the basic operations of arithmetic.
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Medical algorithm
A medical algorithm is any computation, formula, statistical survey, nomogram, or look-up table, useful in healthcare.
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Mental calculation
Mental calculation comprises arithmetical calculations using only the human brain, with no help from any supplies (such as pencil and paper) or devices such as a calculator.
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Mercedes-Euklid
The Mercedes-Euklid is a German-invented calculator from the early twentieth century.
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Mercury battery
A mercury battery (also called mercuric oxide battery, or mercury cell) is a non-rechargeable electrochemical battery, a primary cell.
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Methods of computing square roots
In numerical analysis, a branch of mathematics, there are several square root algorithms or methods of computing the principal square root of a non-negative real number.
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Michael Dell
Michael Saul Dell (born February 23, 1965) is an American businessman, investor, philanthropist, and author.
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Micro Instrumentation and Telemetry Systems
Micro Instrumentation and Telemetry Systems (MITS) was an American electronics company founded in Albuquerque, New Mexico that began manufacturing electronic calculators in 1971 and personal computers in 1975.
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Microcomputer
A microcomputer is a small, relatively inexpensive computer with a microprocessor as its central processing unit (CPU).
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Microprocessor
A microprocessor is a computer processor that incorporates the functions of a central processing unit on a single integrated circuit (IC), or at most a few integrated circuits.
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MikroSim
MikroSim is an educational software computer program for hardware-non-specific explanation of the general functioning and behaviour of a virtual processor, running on the Microsoft Windows operating system.
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Mobile device
A mobile device (or handheld computer) is a computing device small enough to hold and operate in the hand.
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Mobile phone features
The features of mobile phones are the set of capabilities, services and applications that they offer to their users.
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Mobile simulator
A mobile simulator is a software application for a personal computer which creates a virtual machine version of a mobile device, such as a mobile phone, iPhone, other smartphone, or calculator, on the computer.
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Modular arithmetic
In mathematics, modular arithmetic is a system of arithmetic for integers, where numbers "wrap around" upon reaching a certain value—the modulus (plural moduli).
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Monroe Calculating Machine Company
The Monroe Calculating Machine Company was a maker of adding machines and calculators founded in 1912 by Jay Randolph Monroe based on a machine designed by Frank Stephen Baldwin.
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Monsanto
Monsanto Company was an agrochemical and agricultural biotechnology corporation.
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Mostek
Mostek was an integrated circuit manufacturer, founded in 1969 by L. J. Sevin, Louay E. Sharif, Richard L. Petritz and other ex-employees of Texas Instruments.
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Mullard
Mullard Limited was a British manufacturer of electronic components.
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Multi Emulator Super System
Multi Emulator Super System (MESS) is an emulator for many game consoles and computer systems, based on the MAME core and now a part of MAME.
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Multiplication
Multiplication (often denoted by the cross symbol "×", by a point "⋅", by juxtaposition, or, on computers, by an asterisk "∗") is one of the four elementary mathematical operations of arithmetic; with the others being addition, subtraction and division.
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Nanolinux
NanoLinux is an open source, free and very lightweight Linux distribution that requires only 14 MB of disk space including tiny versions of the most common desktop applications and several games.
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National Polytechnical Museum
The National Polytechnical Museum (Национален политехнически музей) is a science museum located in Sofia, Bulgaria.
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Navigational instrument
Navigational instruments refers to the instruments used by nautical navigators and pilots as tools of their trade.
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Nibble
In computing, a nibble (occasionally nybble or nyble to match the spelling of byte) is a four-bit aggregation, or half an octet.
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Nixie tube
A Nixie tube, or cold cathode display, is an electronic device for displaying numerals or other information using glow discharge.
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Nokia 3310
The Nokia 3310 is a GSM mobile phone announced on 1 September 2000, and released in the fourth quarter of the year, replacing the popular Nokia 3210.
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Nokia 5510
The Nokia 5510 is a mobile phone announced on October 11, 2001.
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Nokia N900
No description.
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Numeric keypad
A numeric keypad, number pad, numpad, or ten key, is the palm-sized, 17-key section of a standard computer keyboard, usually on the far right.
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OCBC Centre
OCBC Centre is a, 52-storey skyscraper in Singapore.
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Octal
The octal numeral system, or oct for short, is the base-8 number system, and uses the digits 0 to 7.
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Office supplies
Office supplies are consumables and equipment regularly used in offices by businesses and other organizations, by individuals engaged in written communications, recordkeeping or bookkeeping, janitorial and cleaning, and for storage of supplies or data.
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Olivetti
Olivetti S.p.A. is an Italian manufacturer of typewriters, computers, tablets, smartphones, printers and other such business products as calculators and fax machines.
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Operator-precedence parser
In computer science, an operator precedence parser is a bottom-up parser that interprets an operator-precedence grammar.
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Outline of Apple Inc.
The following outline is provided as an overview of and topical guide to Apple Inc.: Apple Inc. (previously Apple Computer, Inc.) – American multinational corporation that designs and sells consumer electronics, computer software, and personal computers.
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Outline of computing
The following outline is provided as an overview of and topical guide to computing: Computing – activity of using and improving computer hardware and software.
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Outline of machines
The following outline is provided as an overview of and topical guide to machines: Machine – mechanical system that provides the useful application of power to achieve movement.
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Palm OS
Palm OS (also known as Garnet OS) is a discontinued mobile operating system initially developed by Palm, Inc., for personal digital assistants (PDAs) in 1996.
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Palmtop PC
A Palmtop PC was an approximately pocket calculator-sized, battery-powered computer compatible with the IBM Personal Computer in a horizontal clamshell design with integrated keyboard and display.
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Paul Poulet
Paul Poulet (1887–1946) was a self-taught Belgian mathematician who made several important contributions to number theory, including the discovery of sociable numbers in 1918.
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Personal digital assistant
A personal digital assistant (PDA), also known as a handheld PC, is a variety mobile device which functions as a personal information manager.
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Petters Limited
Petters Limited (known as JB Petter & Sons of Yeovil until 1910), were a maker of stationary petrol and diesel engines from 1896 onwards.
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Philipp Matthäus Hahn
Philipp Matthäus Hahn (25 November 1739 in Scharnhausen, today part of Ostfildern – 2 May 1790 in Echterdingen, today part of Leinfelden-Echterdingen) was a German pastor, astronomer and inventor.
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Photomath
Photomath is a mobile application described as a "camera calculator", which utilizes a phone's camera to recognise mathematical equations and to display the step-by-step solution onscreen.
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Plasma display
A plasma display panel (PDP) is a type of flat panel display common to large TV displays or larger.
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Plurimeter
A plurimeter is a hand-held measuring instrument for determining surface area or relative angles between surfaces.
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PMI-80
The PMI-80 was a single-board microcomputer produced by Tesla Piešťany, Czechoslovakia, since 1982.
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Pocket computer
A pocket computer was a 1980s-era user programmable calculator-sized computer that had fewer screen lines, and often fewer characters per line, than the Pocket-sized computers introduced beginning in 1989.
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Polarizing organic photovoltaics
Polarizing organic photovoltaics (ZOPV) is a concept for harvesting energy from Liquid crystal display screens, developed by engineers from UCLA.
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Polish notation
Polish notation (PN), also known as normal Polish notation (NPN), Łukasiewicz notation, Warsaw notation, Polish prefix notation or simply prefix notation, is a mathematical notation in which operators precede their operands, in contrast to reverse Polish notation (RPN) in which operators follow their operands.
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Portable media player
A portable media player (PMP) or digital audio player (DAP) is a portable consumer electronics device capable of storing and playing digital media such as audio, images, and video files.
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Practical Astronomy with your Calculator
Practical Astronomy with your Calculator is a book written by Peter Duffett-Smith, a University Lecturer and a Fellow of Downing College.
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Programma 101
The Olivetti Programma 101, also known as Perottina or P101, is the first commercial programmable "desktop computer" Produced by Italian manufacturer Olivetti, based in Ivrea, Piedmont, and invented by the Italian engineer Pier Giorgio Perotto, the P101 had the main features of large computers of that period.
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Programmable calculator
Programmable calculators are calculators that can automatically carry out a sequence of operations under control of a stored program, much like a computer.
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Psion Series 7
The Psion Series 7 is a subnotebook computer from Psion that was released in 2000.
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Push-button
A push-button (also spelled pushbutton) or simply button is a simple switch mechanism for controlling some aspect of a machine or a process.
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Quinary
Quinary (base- or pental) is a numeral system with five as the base.
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Random-access memory
Random-access memory (RAM) is a form of computer data storage that stores data and machine code currently being used.
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Raw data
Raw data, also known as primary data, is data (e.g., numbers, instrument readings, figures, etc.) collected from a source.
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Raytheon Lectron
Lectron was a modular electronic experimentation kit designed to introduce youth to basic electronic circuits and theory.
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Read-only memory
Read-only memory (ROM) is a type of non-volatile memory used in computers and other electronic devices.
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Renal function
Renal function, in nephrology, is an indication of the kidney's condition and its role in renal physiology.
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Reverse Polish notation
Reverse Polish notation (RPN), also known as Polish postfix notation or simply postfix notation, is a mathematical notation in which operators follow their operands, in contrast to Polish notation (PN), in which operators precede their operands.
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REX 6000
The REX 6000 is an ultra-thin Personal Digital Assistant (PDA) produced by Xircom, and later Intel, from about 2000 to 2001.
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Richard Osman's House of Games
Richard Osman's House of Games is a British quiz show produced by Endemol UK for the BBC, hosted by Richard Osman.
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RPL (programming language)
http://www.calculatrices-hp.com/index.php?page.
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RPL character set
The RPL character set is an 8-bit character set and encoding used by most RPL calculators manufactured by Hewlett-Packard as well as by the HP 82240B thermo printer.
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Rule of 72
In finance, the rule of 72, the rule of 70 and the rule of 69.3 are methods for estimating an investment's doubling time.
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Saber y ganar
Saber y ganar ("Knowing and Winning"), is a Spanish cultural quiz show hosted by Jordi Hurtado, which has been broadcast on La 2 of Televisión Española since 1997.
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Safir Office Machines Museum
The Safir Office Machines Museum is a private museum located in Tehran, Iran.
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Salary calculator
A salary calculator is an online application that provides salary information to the user.
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Samsung GT-B7330
Samsung GT-B7330 (also known as Omnia Pro B7330) is a smartphone produced by Samsung as part of their Omnia series line of mobile phones.
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Samsung M8800
Samsung M8800 (also known as Samsung Pixon and previously referred to as Samsung Bresson) is a high-spec mobile phone from Samsung released in September 2008, one of the world's first 8 megapixel camera phones.
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Samsung SGH-E250
The Samsung SGH-E250 mobile was introduced in 2006 as an entry level version of the Samsung D900 (The ULTRA edition 12.9) mobile.
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SAT
The SAT is a standardized test widely used for college admissions in the United States.
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SAT Subject Test in Chemistry
The SAT Subject Test in Chemistry is a one-hour multiple choice test given on chemistry by The College Board.
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Science
R. P. Feynman, The Feynman Lectures on Physics, Vol.1, Chaps.1,2,&3.
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Science and inventions of Leonardo da Vinci
Leonardo da Vinci (1452–1519) was an Italian polymath, regarded as the epitome of the "Renaissance Man", displaying skills in numerous diverse areas of study.
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Scientific calculator
A scientific calculator is a type of electronic calculator, usually but not always handheld, designed to calculate problems in science, engineering, and mathematics.
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Scientific notation
Scientific notation (also referred to as scientific form or standard index form, or standard form in the UK) is a way of expressing numbers that are too big or too small to be conveniently written in decimal form.
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Scrip cash dispenser
A scrip cash dispenser is a point of banking machine—a computerized telecommunications device that allows a financial institution's customers a secure method of receiving cash in a retail location with the assistance of a cashier.
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See 'n Say
See 'N Say is an educational toy created by the toy company Mattel in 1965 after the success of its talking Chatty Cathy doll.
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Seguin High School (Arlington, Texas)
Seguin High School is a secondary school serving grades 9–12 located in Arlington, Texas and is part of the Arlington Independent School District.
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Seven-segment display
A seven-segment display (SSD), or seven-segment indicator, is a form of electronic display device for displaying decimal numerals that is an alternative to the more complex dot matrix displays.
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Sharp Corporation
is a Japanese multinational corporation that designs and manufactures electronic products, headquartered in Sakai-ku, Sakai.
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Sharp EL-8
The Sharp EL-8, also known as the ELSI-8, was one of the earliest mass-produced hand-held electronic calculators and the first hand-held calculator to be made by Sharp.
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Sharp GX15
The Sharp GX15 is a tri-band GSM mobile phone designed by Sharp Corp (Japan).
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Sharp GX25
The Sharp GX25 is a tri-band GSM mobile phone designed by Sharp Corporation.
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Sharp GX29
The Sharp GX29 is a tri-band GSM mobile phone designed by Sharp Corp(Japan).
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Sharp GX33
The Sharp GX33 is a tri-band GSM mobile phone designed by Sharp Corp(Japan).
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Sharp pocket computer character sets
The Sharp pocket computer character sets are a number of 8-bit character sets used by various Sharp pocket computers and calculators in the 1980s and mid 1990s.
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Sharp QT-8B
The Sharp QT-8B Micro Compet, a portable electronic desktop calculator, was the first mass-produced calculator to be battery-powered.
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Sharp QT-8D
The Sharp QT-8D Micro Compet, a small electronic desktop calculator, was the first mass-produced calculator to have its logic circuitry entirely implemented with LSI (large-scale integration) integrated circuits (ICs) based on MOS (metal-oxide-semiconductor) technology.
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Simon (game)
Simon is an electronic game of memory skill invented by Ralph H. Baer and Howard J. Morrison, with software programming by Lenny Cope.
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Sinclair Cambridge
The Sinclair Cambridge was a pocket-sized calculator introduced in August 1973 by Sinclair Radionics.
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Sinclair Executive
The Sinclair Executive was the world's first "slimline" pocket calculator, and the first to be produced by Clive Sinclair's company Sinclair Radionics.
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Sinclair Scientific
The Sinclair Scientific calculator was a 12-function, pocket-sized scientific calculator introduced in 1974, dramatically undercutting in price other calculators available at the time.
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Sinclair Sovereign
The Sinclair Sovereign was a high-end calculator introduced by Clive Sinclair's company Sinclair Radionics in 1976.
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Singer Corporation
Singer Corporation is an American manufacturer of sewing machines, first established as I. M. Singer & Co. in 1851 by Isaac Merritt Singer with New York lawyer Edward Clark.
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Sixteen-segment display
A sixteen-segment display (SISD) is a type of display based on 16 segments that can be turned on or off according to the graphic pattern to be produced.
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Smartphone
A smartphone is a handheld personal computer with a mobile operating system and an integrated mobile broadband cellular network connection for voice, SMS, and Internet data communication; most, if not all, smartphones also support Wi-Fi.
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Smartwatch
A smartwatch is a touchscreen wearable computer in the form of a wristwatch.
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Smith Corona
Smith Corona is a US manufacturer of thermal labels, direct thermal labels, and thermal ribbons used in warehouses for primarily barcode labels.
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Software calculator
A software calculator is a calculator that has been implemented as a computer program, rather than as a physical hardware device.
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Solar-powered calculator
Solar-powered calculators are hand-held electronic calculators powered by solar cells mounted on the device.
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Sony Energy Devices Corporation
, is a Japanese multinational company specializing in a variety of areas in the energy industry, and is a wholly owned subsidiary and part of the Devices Group of Sony.
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Soroban
The is an abacus developed in Japan.
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Soviet integrated circuit designation
This article describes the nomenclature for integrated circuits manufactured in the Soviet Union.
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Special education
Special education (also known as special needs education, aided education, exceptional education or Special Ed) is the practice of educating students with an IEP or Section 504 in a way that addresses their individual differences and needs.
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Square root
In mathematics, a square root of a number a is a number y such that; in other words, a number y whose square (the result of multiplying the number by itself, or) is a. For example, 4 and −4 are square roots of 16 because.
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Starship Invasions
Starship Invasions is a 1977 Canadian science fiction film directed, produced, and written by Ed Hunt and filmed in Toronto, Ontario.
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Stationery
Stationery is a mass noun referring to commercially manufactured writing materials, including cut paper, envelopes, writing implements, continuous form paper, and other office supplies.
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Steel square
The steel square is a tool used in carpentry.
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Suanpan
The suanpan, also spelled suan pan or souanpan) is an abacus of Chinese origin first described in a 190 CE book of the Eastern Han Dynasty, namely Supplementary Notes on the Art of Figures written by Xu Yue. However, the exact design of this suanpan is not known. Usually, a suanpan is about 20 cm (8 in) tall and it comes in various widths depending on the application. It usually has more than seven rods. There are two beads on each rod in the upper deck and five beads on each rod in the bottom deck. This configuration is used for both decimal and hexadecimal computation. The beads are usually rounded and made of a hardwood. The beads are counted by moving them up or down towards the beam. The suanpan can be reset to the starting position instantly by a quick jerk around the horizontal axis to spin all the beads away from the horizontal beam at the center. Suanpans can be used for functions other than counting. Unlike the simple counting board used in elementary schools, very efficient suanpan techniques have been developed to do multiplication, division, addition, subtraction, square root and cube root operations at high speed. The modern suanpan has 4+1 beads, colored beads to indicate position and a clear-all button. When the clear-all button is pressed, two mechanical levers push the top row beads to the top position and the bottom row beads to the bottom position, thus clearing all numbers to zero. This replaces clearing the beads by hand, or quickly rotating the suanpan around its horizontal center line to clear the beads by centrifugal force.
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Sumlock ANITA calculator
The ANITA Mark VII and ANITA Mark VIII calculators were launched simultaneously in late 1961 as the world's first all-electronic desktop calculators.
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Super Expander
The VIC-1211 Super Expander was a cartridge for the Commodore VIC-20 home computer.
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Syntax error
In computer science, a syntax error is an error in the syntax of a sequence of characters or tokens that is intended to be written in a particular programming language.
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Tadashi Sasaki (engineer)
was a Japanese engineer who was influential in founding Busicom, driving the deployment of the Intel 4004 microprocessor, and later driving Sharp into the LCD calculator market.
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Technological and industrial history of 20th-century Canada
The technological and industrial history of Canada encompasses the country's development in the areas of transportation, communication, energy, materials, public works, public services (health care), domestic/consumer and defence technologies.
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Teenage Engineering
Teenage Engineering is a Swedish consumer electronics company and manufacturer founded in 2005 by Jesper Kuouthoofd, David Eriksson, Jens Rudberg and David Möllerstedt and based in Stockholm.
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Teenage Engineering OP-1
The Teenage Engineering OP-1 is a synthesizer, sampler and sequencer designed and manufactured by the Stockholm-based company Teenage Engineering.
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Telephone keypad
A telephone keypad is the keypad installed on a push-button telephone or similar telecommunication device for dialing a telephone number.
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Telidon
Telidon (from the Greek words τῆλε, tele "at a distance" and ἰδών, idon "seeing") was a videotex/teletext service developed by the Canadian Communications Research Centre (CRC) during the late 1970s and supported by commercial enterprises led by Infomart in the early 1980s.
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Texas Instruments
Texas Instruments Inc. (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally.
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Texas Instruments Business Analyst
The Texas Instruments Business Analyst series is a product line of financial calculators introduced in 1976.
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Texas Instruments TI-99/4A
The Texas Instruments TI-99/4A is a home computer, released June 1981 in the United States at a price of $525 ($ adjusted for inflation).
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Texet Sales
The Hira Company Ltd (incorporating Texet Sales Ltd) is a family-owned UK company specialising in the import and distribution of consumables.
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Text display
A text display is an electronic alphanumeric display device that is mainly or only capable of showing text, or extremely limited graphic characters.
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The Amazing Race 26
The Amazing Race 26 is the 26th installment of the reality television show The Amazing Race.
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The Ghosts of Inverloch
Les Spectres d'Inverloch (The Ghosts of Inverloch) is volume eleven in the French comic book (or bande dessinée) science fiction series Valérian and Laureline created by writer Pierre Christin and artist Jean-Claude Mézières.
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The Long Dark Tea-Time of the Soul
The Long Dark Tea-Time of the Soul is a 1988 humorous fantasy detective novel by Douglas Adams.
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The Longines Symphonette
The Longines Symphonette was a pre-recorded classical music program broadcast nightly on many Mutual Broadcasting System stations from 1943 to 1949.
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The Toyminator
The Toyminator is a novel by the British author Robert Rankin.
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The Upside Down Show
The Upside Down Show is an Australian children's television show originally aired on Noggin, Nick Jr. Australia, ABC (episode 3), Seven Network (episodes 4, 6–9), Nine Network (episodes 5, 10–11, and 13) and Network Ten (episodes 1–2 and 12).
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TI SR-50
The SR-50 was Texas Instruments' first scientific pocket calculator with trigonometric and logarithm functions.
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TI-108
The TI-108 is the least expensive, most basic, and most widely used calculator by Texas Instruments.
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TI-15 Explorer
TI-15 Explorer is a calculator designed by Texas Instruments, intended for use in classes from grades 3-5.
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TI-32 Math Explorer Plus
The TI-32 Math Explorer Plus is a calculator by Texas Instruments specifically designed for middle school students.
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TI-57
The TI-57 was a programmable calculator made by Texas Instruments between 1977 and 1982.
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TI-68
The TI-68 was a scientific pocket/desktop calculator produced by Texas Instruments.
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TI-7 MathMate
The TI-7 MathMate is a basic educational calculator by Texas Instruments, designed for students in grades K–3.
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TI-74
The Texas Instruments TI-74 Basicalc is a type of programmable calculator, which was released in 1985 to replace the Texas Instruments Compact Computer 40.
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TI-89 series
The TI-89 and the TI-89 Titanium are graphing calculators developed by Texas Instruments (TI).
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TI-95
The TI-95, also called the TI-95 Procalc, is a keystroke programmable calculator and was introduced in 1987 by Texas Instruments.
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Timeline of computing 1950–79
No description.
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Timeline of electrical and electronic engineering
The following timeline tables list the discoveries and inventions in the history of electrical and electronic engineering.
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Timeline of Russian innovation
Timeline of Russian Innovation encompasses key events in the history of technology in Russia, starting from the Early East Slavs and up to the Russian Federation.
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Timeline of United States inventions (1946–91)
A timeline of United States inventions (1946–1991) encompasses the ingenuity and innovative advancements of the United States within a historical context, dating from the era of the Cold War, which have been achieved by inventors who are either native-born or naturalized citizens of the United States.
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Tomorrow's World
Tomorrow's World was a long-running BBC television series on new developments in science and technology.
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Trading room
A trading room gathers traders operating on financial markets.
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Traditional mathematics
Traditional mathematics (sometimes classical math education) was the predominant method of mathematics education in the United States in the early-to-mid 20th century.
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Transistor
A transistor is a semiconductor device used to amplify or switch electronic signals and electrical power.
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Trigonometric tables
In mathematics, tables of trigonometric functions are useful in a number of areas.
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Typing
Typing is the process of writing or inputting text by pressing keys on a typewriter, computer keyboard, cell phone, or calculator.
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UAE (emulator)
UAE is a computer emulator which emulates the hardware of the Commodore Amiga range of computers.
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Ukrainian Academy of Banking of the National Bank of Ukraine
Ukrainian Academy of Banking of the National Bank of Ukraine is a state-owned higher educational institution within the system of the National Bank of Ukraine of the IVth level of accreditation.
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Understanding
Understanding is a psychological process related to an abstract or physical object, such as a person, situation, or message whereby one is able to think about it and use concepts to deal adequately with that object.
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Underwood Typewriter Company
The Underwood Typewriter Company was a manufacturer of typewriters headquartered in New York City, New York.
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Unisonic Products Corporation
Unisonic Products Corporation was an American manufacturer and distributor of consumer electronics from the 1970s to the 1990s.
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User Friendly
User Friendly is a daily webcomic about the staff of a small fictional Internet service provider, Columbia Internet.
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V200
The name V200 or V-200 may refer to.
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Vatman
Vatman was a brand of pocket calculator produced by the British electronics manufacturer Decimo.
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Victor Technology
Victor Technology LLC (also known as Victor Calculator) is a supplier of printing calculators, scientific calculators, financial calculators, basic calculators, and desktop accessories with headquarters in Bolingbrook, Illinois.
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VideoBrain Family Computer
The VideoBrain Family Computer (model 101) (not to be confused with Nintendo’s Family Computer, or Famicom, known as the Nintendo Entertainment System or NES outside of Japan) is an 8-bit home computer manufactured by Umtech Incorporated, starting in 1977.
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Visual impairment
Visual impairment, also known as vision impairment or vision loss, is a decreased ability to see to a degree that causes problems not fixable by usual means, such as glasses.
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Von Neumann architecture
The von Neumann architecture, which is also known as the von Neumann model and Princeton architecture, is a computer architecture based on the 1945 description by the mathematician and physicist John von Neumann and others in the First Draft of a Report on the EDVAC.
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Wallace John Eckert
Wallace John Eckert (June 19, 1902 – August 24, 1971) was an American astronomer, who directed the Thomas J. Watson Astronomical Computing Bureau at Columbia University which evolved into the research division of IBM.
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Warren Weaver
Warren Weaver (July 17, 1894 – November 24, 1978) was an American scientist, mathematician, and science administrator.
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Watch
A watch is a timepiece intended to be carried or worn by a person.
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Wearable computer
Wearable computers, also known as wearables or body-borne computers, are small computing devices (nowadays usually electronic) that are worn under, with, or on top of clothing.
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Webdings
Webdings is a TrueType dingbat typeface developed in 1997.
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Western Digital
Western Digital Corporation (abbreviated WDC, commonly shortened to Western Digital or WD) is an American computer data storage company and one of the largest computer hard disk drive manufacturers in the world, along with its main competitor Seagate Technology.
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Whirlwind I
Whirlwind I was a Cold War-era vacuum tube computer developed by the MIT Servomechanisms Laboratory for the U.S. Navy.
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WikiReader
WikiReader was a project to deliver an offline, text-only version of Wikipedia on a mobile device.
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William Shanks
William Shanks (25 January 1812 – June 1882) was a British amateur mathematician.
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Windows Calculator
Windows Calculator is a software calculator included in all versions of Windows.
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X.Org Foundation
The X.Org Foundation is a non-profit corporation chartered to research, develop, support, organize, administrate, standardize, promote, and defend a free and open accelerated graphics stack.
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X10 (industry standard)
X10 is a protocol for communication among electronic devices used for home automation (domotics).
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Zwei: The Arges Adventure
Zwei: The Arges Adventure, known in Japan as, is an action role-playing game developed by Nihon Falcom for Microsoft Windows, PlayStation 2, and PlayStation Portable.
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1592 in science
The year 1592 in science and technology involved some significant events.
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1622 in science
The year 1622 in science and technology involved some significant events.
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170 (number)
170 (one hundred seventy) is the natural number following 169 and preceding 171.
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1887
No description.
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1887 in science
The year 1887 in science and technology involved many significant events, listed below.
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1944
Below, events of World War II have the "WWII" prefix.
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1944 in science
The year 1944 in science and technology involved some significant events, listed below.
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1970s
The 1970s (pronounced "nineteen-seventies", commonly abbreviated as the "Seventies") was a decade of the Gregorian calendar that began on January 1, 1970, and ended on December 31, 1979.
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1970s in science and technology
The 1970s in science and technology reached its height with the ambitious Voyager Program, which sent the Voyager I and Voyager II unmanned expeditions to several of the outer planets in the solar system.
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1972 in science
The year 1972 in science and technology involved some significant events, listed below.
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1977 in video gaming
1977 has several new titles such as Space Wars and Zork.
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49 (number)
49 (forty-nine) is the natural number following 48 and preceding 50.
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69 (number)
69 (sixty-nine) is a number following 68 and preceding 70.
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83 (number)
83 (eighty-three) is the natural number following 82 and preceding 84.
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Redirects here:
Automatic calculator, Bowmar Brain, Caculator, Cal Tech (calculator), Calculater, Calculating device, Calculators, Claculator, Desk calculator, Desk calculators, Desktop calculator, Digital calculator, Division button, Division key, Electronic Calculator, Electronic calculating machine, Electronic calculator, Equals button, Equals key, Fraction to Decimals, Handheld calculator, Math calculator, Math calculators, Minus button, Minus key, Multiplication button, Multiplication key, Plus button, Plus key, Pocket calculator, Pocket calculators, Printing Calculator, TI Cal Tech, Texas Instruments Cal Tech, 🖩.
References
[1] https://en.wikipedia.org/wiki/Calculator
