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Arithmetic

Index 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. [1]

146 relations: Abacus, Addition, Additive identity, Additive inverse, Algebra, Algebraic number theory, Algorism, Analytic number theory, Ancient Egyptian mathematics, Ancient Greek, André Weil, Arabic numerals, Archimedes, Areas of mathematics, Arithmetic coding, Arithmetic mean, Arithmetic progression, Aryabhata, Associative property, Øystein Ore, Babylonian mathematics, Babylonian numerals, Brahmagupta, Calculator, Chinese numerals, Closure (mathematics), Codex Vigilanus, Commutative property, Computation, Computer, Counting, Counting board, Counting rods, Cyrillic numerals, De Thiende, Decimal, Decimal representation, Democratic Republic of the Congo, Diophantine equation, Diophantine geometry, Diophantus, Distributive property, Divisibility rule, Division (mathematics), Division by zero, Egyptian numerals, Elementary arithmetic, Encyclopædia Britannica, Euclid, Europe, ..., Exponentiation, Fermat's Last Theorem, Fibonacci, Field (mathematics), Finite field arithmetic, Fraction (mathematics), Geometric progression, Geometry, Glossary of arithmetic and diophantine geometry, Greek mathematics, Greek numerals, Harold Davenport, Hellenistic period, Henry Burchard Fine, Hindu–Arabic numeral system, History of the Theory of Numbers, Identity element, India, Integer, Introduction to Arithmetic, Inverse element, Inverse function, Ishango bone, Islam, Islamic inheritance jurisprudence, Jainism, Leonard Eugene Dickson, Leonhard Euler, Liber Abaci, Liberal arts education, List of important publications in mathematics, Lists of mathematics topics, Liu Hui, Logarithm, Lokavibhaga, Louis Charles Karpinski, Mathematical analysis, Mathematical Reviews, Mathematics, Mathematics in medieval Islam, Maya numerals, Mechanical calculator, Mental calculation, Methods of computing square roots, Microsoft Excel, Middle Ages, Mixed radix, Multiplication, Multiplicative inverse, Natural number, New Math, Nicomachus, Nomogram, Number, Number line, Number theory, Numeral system, Numerical digit, Operation (mathematics), Order of magnitude, Order of operations, Outline of arithmetic, Oxford University Press, Pascal's calculator, Percentage, Positional notation, Primary education, Prime number, Pythagoreanism, Radix, Radix point, Reduction (mathematics), Renaissance, Ring (mathematics), Roman abacus, Roman numerals, Series (mathematics), Severus Sebokht, Sexagesimal, Simon Stevin, Slide rule, Square root, Subtraction, Summation, Syriac Christianity, Tally marks, Term (logic), The Nine Chapters on the Mathematical Art, Two's complement, Ulama, Vigesimal, Wiles's proof of Fermat's Last Theorem, World Digital Library, Zakat, 0, 1. Expand index (96 more) »

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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Addition

Addition (often signified by the plus symbol "+") is one of the four basic operations of arithmetic; the others are subtraction, multiplication and division.

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Additive identity

In mathematics the additive identity of a set which is equipped with the operation of addition is an element which, when added to any element x in the set, yields x. One of the most familiar additive identities is the number 0 from elementary mathematics, but additive identities occur in other mathematical structures where addition is defined, such as in groups and rings.

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Additive inverse

In mathematics, the additive inverse of a number is the number that, when added to, yields zero.

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Algebra

Algebra (from Arabic "al-jabr", literally meaning "reunion of broken parts") is one of the broad parts of mathematics, together with number theory, geometry and analysis.

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Algebraic number theory

Algebraic number theory is a branch of number theory that uses the techniques of abstract algebra to study the integers, rational numbers, and their generalizations.

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Algorism

Algorism is the technique of performing basic arithmetic by writing numbers in place value form and applying a set of memorized rules and facts to the digits.

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Analytic number theory

In mathematics, analytic number theory is a branch of number theory that uses methods from mathematical analysis to solve problems about the integers.

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Ancient Egyptian mathematics

Ancient Egyptian mathematics is the mathematics that was developed and used in Ancient Egypt 3000 to c. 300 BC, from the Old Kingdom of Egypt until roughly the beginning of Hellenistic Egypt.

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Ancient Greek

The Ancient Greek language includes the forms of Greek used in ancient Greece and the ancient world from around the 9th century BC to the 6th century AD.

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André Weil

André Weil (6 May 1906 – 6 August 1998) was an influential French mathematician of the 20th century, known for his foundational work in number theory, algebraic geometry.

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Arabic numerals

Arabic numerals, also called Hindu–Arabic numerals, are the ten digits: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, based on the Hindu–Arabic numeral system, the most common system for the symbolic representation of numbers in the world today.

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Archimedes

Archimedes of Syracuse (Ἀρχιμήδης) was a Greek mathematician, physicist, engineer, inventor, and astronomer.

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Areas of mathematics

Mathematics encompasses a growing variety and depth of subjects over history, and comprehension requires a system to categorize and organize the many subjects into more general areas of mathematics.

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Arithmetic coding

Arithmetic coding is a form of entropy encoding used in lossless data compression.

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Arithmetic mean

In mathematics and statistics, the arithmetic mean (stress on third syllable of "arithmetic"), or simply the mean or average when the context is clear, is the sum of a collection of numbers divided by the number of numbers in the collection.

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Arithmetic progression

In mathematics, an arithmetic progression (AP) or arithmetic sequence is a sequence of numbers such that the difference between the consecutive terms is constant.

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Aryabhata

Aryabhata (IAST) or Aryabhata I (476–550 CE) was the first of the major mathematician-astronomers from the classical age of Indian mathematics and Indian astronomy.

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Associative property

In mathematics, the associative property is a property of some binary operations.

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Øystein Ore

Øystein Ore (7 October 1899 – 13 August 1968) was a Norwegian mathematician known for his work in ring theory, Galois connections, graph theory, and the history of mathematics.

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Babylonian mathematics

Babylonian mathematics (also known as Assyro-Babylonian mathematics) was any mathematics developed or practiced by the people of Mesopotamia, from the days of the early Sumerians to the fall of Babylon in 539 BC.

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Babylonian numerals

Babylonian numerals were written in cuneiform, using a wedge-tipped reed stylus to make a mark on a soft clay tablet which would be exposed in the sun to harden to create a permanent record.

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Brahmagupta

Brahmagupta (born, died) was an Indian mathematician and astronomer.

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Calculator

An electronic calculator is typically a portable electronic device used to perform calculations, ranging from basic arithmetic to complex mathematics.

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Chinese numerals

Chinese numerals are words and characters used to denote numbers in Chinese.

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Closure (mathematics)

A set has closure under an operation if performance of that operation on members of the set always produces a member of the same set; in this case we also say that the set is closed under the operation.

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Codex Vigilanus

The Codex Vigilanus or Codex Albeldensis (Spanish: Códice Vigilano or Albeldense) is an illuminated compilation of various historical documents accounting for a period extending from antiquity to the 10th century in Hispania.

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Commutative property

In mathematics, a binary operation is commutative if changing the order of the operands does not change the result.

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Computation

Computation is any type of calculation that includes both arithmetical and non-arithmetical steps and follows a well-defined model, for example an algorithm.

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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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Counting

Counting is the action of finding the number of elements of a finite set of objects.

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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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Counting rods

Counting rods are small bars, typically 3–14 cm long, that were used by mathematicians for calculation in ancient East Asia.

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Cyrillic numerals

Cyrillic numerals are a numeral system derived from the Cyrillic script, developed in the First Bulgarian Empire in the late 10th century.

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De Thiende

De Thiende is a landmark publication authored by Simon Stevin in the 16th century.

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Decimal

The decimal numeral system (also called base-ten positional numeral system, and occasionally called denary) is the standard system for denoting integer and non-integer numbers.

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Decimal representation

A decimal representation of a non-negative real number r is an expression in the form of a series, traditionally written as a sum where a0 is a nonnegative integer, and a1, a2,...

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Democratic Republic of the Congo

The Democratic Republic of the Congo (République démocratique du Congo), also known as DR Congo, the DRC, Congo-Kinshasa or simply the Congo, is a country located in Central Africa.

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Diophantine equation

In mathematics, a Diophantine equation is a polynomial equation, usually in two or more unknowns, such that only the integer solutions are sought or studied (an integer solution is a solution such that all the unknowns take integer values).

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Diophantine geometry

In mathematics, diophantine geometry is one approach to the theory of Diophantine equations, formulating questions about such equations in terms of algebraic geometry over a ground field K that is not algebraically closed, such as the field of rational numbers or a finite field, or more general commutative ring such as the integers.

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Diophantus

Diophantus of Alexandria (Διόφαντος ὁ Ἀλεξανδρεύς; born probably sometime between AD 201 and 215; died around 84 years old, probably sometime between AD 285 and 299) was an Alexandrian Hellenistic mathematician, who was the author of a series of books called Arithmetica, many of which are now lost.

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Distributive property

In abstract algebra and formal logic, the distributive property of binary operations generalizes the distributive law from boolean algebra and elementary algebra.

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Divisibility rule

A divisibility rule is a shorthand way of determining whether a given integer is divisible by a fixed divisor without performing the division, usually by examining its digits.

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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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Egyptian numerals

The system of ancient Egyptian numerals was used in Ancient Egypt from around 3000 BC until the early first millennium AD.

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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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Encyclopædia Britannica

The Encyclopædia Britannica (Latin for "British Encyclopaedia"), published by Encyclopædia Britannica, Inc., is a general knowledge English-language encyclopaedia.

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Euclid

Euclid (Εὐκλείδης Eukleidēs; fl. 300 BC), sometimes given the name Euclid of Alexandria to distinguish him from Euclides of Megara, was a Greek mathematician, often referred to as the "founder of geometry" or the "father of geometry".

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Europe

Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere.

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Exponentiation

Exponentiation is a mathematical operation, written as, involving two numbers, the base and the exponent.

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Fermat's Last Theorem

In number theory, Fermat's Last Theorem (sometimes called Fermat's conjecture, especially in older texts) states that no three positive integers,, and satisfy the equation for any integer value of greater than 2.

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Fibonacci

Fibonacci (c. 1175 – c. 1250) was an Italian mathematician from the Republic of Pisa, considered to be "the most talented Western mathematician of the Middle Ages".

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Field (mathematics)

In mathematics, a field is a set on which addition, subtraction, multiplication, and division are defined, and behave as when they are applied to rational and real numbers.

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Finite field arithmetic

In mathematics, finite field arithmetic is arithmetic in a finite field (a field containing a finite number of elements) as opposed to arithmetic in a field with an infinite number of elements, like the field of rational numbers.

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Fraction (mathematics)

A fraction (from Latin fractus, "broken") represents a part of a whole or, more generally, any number of equal parts.

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Geometric progression

In mathematics, a geometric progression, also known as a geometric sequence, is a sequence of numbers where each term after the first is found by multiplying the previous one by a fixed, non-zero number called the common ratio.

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Geometry

Geometry (from the γεωμετρία; geo- "earth", -metron "measurement") is a branch of mathematics concerned with questions of shape, size, relative position of figures, and the properties of space.

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Glossary of arithmetic and diophantine geometry

This is a glossary of arithmetic and diophantine geometry in mathematics, areas growing out of the traditional study of Diophantine equations to encompass large parts of number theory and algebraic geometry.

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Greek mathematics

Greek mathematics refers to mathematics texts and advances written in Greek, developed from the 7th century BC to the 4th century AD around the shores of the Eastern Mediterranean.

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Greek numerals

Greek numerals, also known as Ionic, Ionian, Milesian, or Alexandrian numerals, are a system of writing numbers using the letters of the Greek alphabet.

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Harold Davenport

Harold Davenport FRS (30 October 1907 – 9 June 1969) was an English mathematician, known for his extensive work in number theory.

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Hellenistic period

The Hellenistic period covers the period of Mediterranean history between the death of Alexander the Great in 323 BC and the emergence of the Roman Empire as signified by the Battle of Actium in 31 BC and the subsequent conquest of Ptolemaic Egypt the following year.

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Henry Burchard Fine

Henry Burchard Fine (September 14, 1858 – December 22, 1928) was an American university dean and mathematician.

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Hindu–Arabic numeral system

The Hindu–Arabic numeral systemDavid Eugene Smith and Louis Charles Karpinski,, 1911 (also called the Arabic numeral system or Hindu numeral system) is a positional decimal numeral system that is the most common system for the symbolic representation of numbers in the world.

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History of the Theory of Numbers

History of the Theory of Numbers is a three-volume work by L. E. Dickson summarizing work in number theory up to about 1920.

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Identity element

In mathematics, an identity element or neutral element is a special type of element of a set with respect to a binary operation on that set, which leaves other elements unchanged when combined with them.

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India

India (IAST), also called the Republic of India (IAST), is a country in South Asia.

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Integer

An integer (from the Latin ''integer'' meaning "whole")Integer 's first literal meaning in Latin is "untouched", from in ("not") plus tangere ("to touch").

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Introduction to Arithmetic

The book Introduction to Arithmetic (Ἀριθμητικὴ εἰσαγωγή, Arithmetike eisagoge) is the only extant work on mathematics by Nicomachus (60–120 AD).

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Inverse element

In abstract algebra, the idea of an inverse element generalises concepts of a negation (sign reversal) in relation to addition, and a reciprocal in relation to multiplication.

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Inverse function

In mathematics, an inverse function (or anti-function) is a function that "reverses" another function: if the function applied to an input gives a result of, then applying its inverse function to gives the result, and vice versa.

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Ishango bone

The Ishango bone is a bone tool, dated to the Upper Paleolithic era.

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Islam

IslamThere are ten pronunciations of Islam in English, differing in whether the first or second syllable has the stress, whether the s is or, and whether the a is pronounced, or (when the stress is on the first syllable) (Merriam Webster).

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Islamic inheritance jurisprudence

Islamic Inheritance jurisprudence is a field of Islamic jurisprudence (فقه) that deals with inheritance, a topic that is prominently dealt with in the Qur'an.

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Jainism

Jainism, traditionally known as Jain Dharma, is an ancient Indian religion.

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Leonard Eugene Dickson

Leonard Eugene Dickson (January 22, 1874 – January 17, 1954) was an American mathematician.

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Leonhard Euler

Leonhard Euler (Swiss Standard German:; German Standard German:; 15 April 170718 September 1783) was a Swiss mathematician, physicist, astronomer, logician and engineer, who made important and influential discoveries in many branches of mathematics, such as infinitesimal calculus and graph theory, while also making pioneering contributions to several branches such as topology and analytic number theory.

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Liber Abaci

Liber Abaci (1202, also spelled as Liber Abbaci) is a historic book on arithmetic by Leonardo of Pisa, known later by his nickname Fibonacci.

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Liberal arts education

Liberal arts education (from Latin "free" and "art or principled practice") can claim to be the oldest programme of higher education in Western history.

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List of important publications in mathematics

This is a list of important publications in mathematics, organized by field.

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Lists of mathematics topics

This article itemizes the various lists of mathematics topics.

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Liu Hui

Liu Hui was a Chinese mathematician who lived in the state of Cao Wei during the Three Kingdoms period (220–280) of China.

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Logarithm

In mathematics, the logarithm is the inverse function to exponentiation.

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Lokavibhaga

The Lokavibhāga is a Jain cosmological text originally composed in Prakrit by a Digambara monk, Sarvanandin, surviving in a later Sanskrit translation by one Siṃhasūri.

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Louis Charles Karpinski

Louis Charles Karpinski (5 August 1878 – 25 January 1956) was an American mathematician born in Rochester, New York to Henry Hermanagle Karpinski from Warsaw, Poland and Mary Louise Engesser from Guebweiler, Alsace.

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Mathematical analysis

Mathematical analysis is the branch of mathematics dealing with limits and related theories, such as differentiation, integration, measure, infinite series, and analytic functions.

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Mathematical Reviews

Mathematical Reviews is a journal published by the American Mathematical Society (AMS) that contains brief synopses, and in some cases evaluations, of many articles in mathematics, statistics, and theoretical computer science.

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Mathematics

Mathematics (from Greek μάθημα máthēma, "knowledge, study, learning") is the study of such topics as quantity, structure, space, and change.

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Mathematics in medieval Islam

Mathematics during the Golden Age of Islam, especially during the 9th and 10th centuries, was built on Greek mathematics (Euclid, Archimedes, Apollonius) and Indian mathematics (Aryabhata, Brahmagupta).

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Maya numerals

The Mayan numeral system was the system to represent numbers and calendar dates in the Maya civilization.

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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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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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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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Microsoft Excel

Microsoft Excel is a spreadsheet developed by Microsoft for Windows, macOS, Android and iOS.

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Middle Ages

In the history of Europe, the Middle Ages (or Medieval Period) lasted from the 5th to the 15th century.

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Mixed radix

Mixed radix numeral systems are non-standard positional numeral systems in which the numerical base varies from position to position.

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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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Multiplicative inverse

In mathematics, a multiplicative inverse or reciprocal for a number x, denoted by 1/x or x−1, is a number which when multiplied by x yields the multiplicative identity, 1.

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Natural number

In mathematics, the natural numbers are those used for counting (as in "there are six coins on the table") and ordering (as in "this is the third largest city in the country").

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New Math

New Mathematics or New Math was a brief, dramatic change in the way mathematics was taught in American grade schools, and to a lesser extent in European countries, during the 1960s.

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Nicomachus

Nicomachus of Gerasa (Νικόμαχος; c. 60 – c. 120 AD) was an important ancient mathematician best known for his works Introduction to Arithmetic and Manual of Harmonics in Greek.

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Nomogram

A nomogram (from Greek νόμος nomos, "law" and γραμμή grammē, "line"), also called a nomograph, alignment chart or abaque, is a graphical calculating device, a two-dimensional diagram designed to allow the approximate graphical computation of a mathematical function.

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Number

A number is a mathematical object used to count, measure and also label.

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Number line

In basic mathematics, a number line is a picture of a graduated straight line that serves as abstraction for real numbers, denoted by \mathbb.

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Number theory

Number theory, or in older usage arithmetic, is a branch of pure mathematics devoted primarily to the study of the integers.

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Numeral system

A numeral system (or system of numeration) is a writing system for expressing numbers; that is, a mathematical notation for representing numbers of a given set, using digits or other symbols in a consistent manner.

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Numerical digit

A numerical digit is a single symbol (such as "2" or "5") used alone, or in combinations (such as "25"), to represent numbers (such as the number 25) according to some positional numeral systems.

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Operation (mathematics)

In mathematics, an operation is a calculation from zero or more input values (called operands) to an output value.

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Order of magnitude

An order of magnitude is an approximate measure of the number of digits that a number has in the commonly-used base-ten number system.

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Order of operations

In mathematics and computer programming, the order of operations (or operator precedence) is a collection of rules that reflect conventions about which procedures to perform first in order to evaluate a given mathematical expression.

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Outline of arithmetic

Arithmetic is an elementary branch of mathematics that is used by almost everyone for tasks ranging from simple day-to-day counting to advanced science and business calculations.

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Oxford University Press

Oxford University Press (OUP) is the largest university press in the world, and the second oldest after Cambridge University Press.

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Pascal's calculator

A Pascaline signed by Pascal in 1652 Top view and overview of the entire mechanism''Œuvres de Pascal'' in 5 volumes, ''La Haye'', 1779 Pascal's calculator (also known as the arithmetic machine or Pascaline) is a mechanical calculator invented by Blaise Pascal in the early 17th century.

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Percentage

In mathematics, a percentage is a number or ratio expressed as a fraction of 100.

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Positional notation

Positional notation or place-value notation is a method of representing or encoding numbers.

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Primary education

Primary education and elementary education is typically the first stage of formal education, coming after preschool and before secondary education (The first two grades of primary school, Grades 1 and 2, are also part of early childhood education).

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Prime number

A prime number (or a prime) is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers.

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Pythagoreanism

Pythagoreanism originated in the 6th century BC, based on the teachings and beliefs held by Pythagoras and his followers, the Pythagoreans, who were considerably influenced by mathematics and mysticism.

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Radix

In mathematical numeral systems, the radix or base is the number of unique digits, including zero, used to represent numbers in a positional numeral system.

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Radix point

In mathematics and computing, a radix point (or radix character) is the symbol used in numerical representations to separate the integer part of a number (to the left of the radix point) from its fractional part (to the right of the radix point).

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Reduction (mathematics)

In mathematics, reduction refers to the rewriting of an expression into a simpler form.

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Renaissance

The Renaissance is a period in European history, covering the span between the 14th and 17th centuries.

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Ring (mathematics)

In mathematics, a ring is one of the fundamental algebraic structures used in abstract algebra.

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Roman abacus

The Ancient Romans developed the Roman hand abacus, a portable, but less capable, base-10 version of the previous Babylonian abacus.

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Roman numerals

The numeric system represented by Roman numerals originated in ancient Rome and remained the usual way of writing numbers throughout Europe well into the Late Middle Ages.

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Series (mathematics)

In mathematics, a series is, roughly speaking, a description of the operation of adding infinitely many quantities, one after the other, to a given starting quantity.

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Severus Sebokht

Severus Sebokht (ܣܘܪܘܣ ܣܝܒܘܟܬ), also Seboukt of Nisibis, was a Syrian scholar and bishop who was born in Nisibis, Syria in 575 and died in 667.

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Sexagesimal

Sexagesimal (base 60) is a numeral system with sixty as its base.

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Simon Stevin

Simon Stevin (1548–1620), sometimes called Stevinus, was a Flemish mathematician, physicist and military engineer.

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Slide rule

The slide rule, also known colloquially in the United States as a slipstick, is a mechanical analog computer.

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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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Subtraction

Subtraction is an arithmetic operation that represents the operation of removing objects from a collection.

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Summation

In mathematics, summation (capital Greek sigma symbol: ∑) is the addition of a sequence of numbers; the result is their sum or total.

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Syriac Christianity

Syriac Christianity (ܡܫܝܚܝܘܬܐ ܣܘܪܝܝܬܐ / mšiḥāiūṯā suryāiṯā) refers to Eastern Christian traditions that employs Syriac language in their liturgical rites.

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Tally marks

Tally marks, also called hash marks, are a unary numeral system.

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Term (logic)

In analogy to natural language, where a noun phrase refers to an object and a whole sentence refers to a fact, in mathematical logic, a term denotes a mathematical object and a formula denotes a mathematical fact.

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The Nine Chapters on the Mathematical Art

The Nine Chapters on the Mathematical Art is a Chinese mathematics book, composed by several generations of scholars from the 10th–2nd century BCE, its latest stage being from the 2nd century CE.

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Two's complement

Two's complement is a mathematical operation on binary numbers, best known for its role in computing as a method of signed number representation.

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Ulama

The Arabic term ulama (علماء., singular عالِم, "scholar", literally "the learned ones", also spelled ulema; feminine: alimah and uluma), according to the Encyclopedia of Islam (2000), in its original meaning "denotes scholars of almost all disciplines".

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Vigesimal

The vigesimal or base 20 numeral system is based on twenty (in the same way in which the decimal numeral system is based on ten).

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Wiles's proof of Fermat's Last Theorem

Wiles's proof of Fermat's Last Theorem is a proof by British mathematician Andrew Wiles of a special case of the modularity theorem for elliptic curves.

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World Digital Library

The World Digital Library (WDL) is an international digital library operated by UNESCO and the United States Library of Congress.

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Zakat

Zakat (زكاة., "that which purifies", also Zakat al-mal زكاة المال, "zakat on wealth", or Zakah) is a form of alms-giving treated in Islam as a religious obligation or tax, which, by Quranic ranking, is next after prayer (salat) in importance.

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0

0 (zero) is both a number and the numerical digit used to represent that number in numerals.

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1

1 (one, also called unit, unity, and (multiplicative) identity) is a number, numeral, and glyph.

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References

[1] https://en.wikipedia.org/wiki/Arithmetic

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