20 relations: Apollo Guidance Computer, Apollo–Soyuz Test Project, Calculator input methods, Feigenbaum constants, Hewlett-Packard, HP-25, HP-35, HP-67/-97, Light-emitting diode, List price, Los Alamos National Laboratory, Mitchell Feigenbaum, Outer space, Period-doubling bifurcation, PPC Journal, Programmable calculator, Reverse Polish notation, Software bug, Stack (abstract data type), William Redington Hewlett.
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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Apollo–Soyuz Test Project
The Apollo–Soyuz Test Project (ASTP) (Экспериментальный полёт «Аполлон» - «Союз» (ЭПАС), Eksperimentalniy polyot Apollon-Soyuz, lit. "Experimental flight Apollo-Soyuz", commonly referred to by the Soviets as "Soyuz-Apollo"), conducted in July 1975, was the first joint U.S.–Soviet space flight, as a symbol of the policy of détente that the two superpowers were pursuing at the time.
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Calculator input methods
There are various ways in which calculators interpret keystrokes.
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Feigenbaum constants
In mathematics, specifically bifurcation theory, the Feigenbaum constants are two mathematical constants which both express ratios in a bifurcation diagram for a non-linear map.
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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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HP-25
The HP-25 was a hand-held programmable scientific/engineering calculator made by Hewlett-Packard between 1975 and 1978.
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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-67/-97
The HP-67 was a magnetic card-programmable handheld calculator, introduced by Hewlett-Packard in 1976 at an MSRP of $450.
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Light-emitting diode
A light-emitting diode (LED) is a two-lead semiconductor light source.
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List price
The list price, also known as the manufacturer's suggested retail price (MSRP), or the recommended retail price (RRP), or the suggested retail price (SRP), of a product is the price at which the manufacturer recommends that the retailer sell the product.
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Los Alamos National Laboratory
Los Alamos National Laboratory (Los Alamos or LANL for short) is a United States Department of Energy national laboratory initially organized during World War II for the design of nuclear weapons as part of the Manhattan Project.
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Mitchell Feigenbaum
Mitchell Jay Feigenbaum (born December 19, 1944) is a mathematical physicist whose pioneering studies in chaos theory led to the discovery of the Feigenbaum constants.
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Outer space
Outer space, or just space, is the expanse that exists beyond the Earth and between celestial bodies.
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Period-doubling bifurcation
In mathematics, a period doubling bifurcation in a discrete dynamical system is a bifurcation in which a slight change in a parameter value in the system's equations leads to the system switching to a new behavior with twice the period of the original system.
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PPC Journal
PPC Journal was an early hobbyist computer magazine, originally targeted at users of HP's first programmable calculator, the HP-65.
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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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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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Software bug
A software bug is an error, flaw, failure or fault in a computer program or system that causes it to produce an incorrect or unexpected result, or to behave in unintended ways.
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Stack (abstract data type)
In computer science, a stack is an abstract data type that serves as a collection of elements, with two principal operations.
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William Redington Hewlett
William "Bill" Redington Hewlett (May 20, 1913 – January 12, 2001) was an American engineer and the co-founder, with David Packard, of the Hewlett-Packard Company (HP).
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