calculators invented by scientists



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Mechanical Calculator,Mechanical Calculator inventors ,
Mechanical Calculator,Mechanical Calculator inventors ,

A mechanical calculator, or calculating machine, was a mechanical device used to perform automatically the basic operations of arithmetic Most mechanical calculators were comparable in size to small desktop computers and have been rendered obsolete by the advent of the electronic calculator

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Who is the inventor of the calculator? - Quora
Who is the inventor of the calculator? - Quora

The slide rule is basically a sliding stick (or discs) that uses logarithmic scales to allow rapid multiplication and division Slide rules evolved to allow advanced trigonometry and logarithms, exponentials and square roots But it required human.

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The History Of The Calculator
The History Of The Calculator

The Curta calculator, which first appeared in 1948, was perhaps the ultimate expression of the mechanical calculator, so compact that it could, somewhat lumpily, fit into a pocket and was capable of addition, subtraction, multiplication and division

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Slide rule - Wikipedia
Slide rule - Wikipedia

The process was invented to calculate range, fuel use and altitude for aircraft, and then adapted to many other purpos The E6-B is a circular slide rule used by pilots and navigators Circular slide rules to estimate ovulation dates and fertility are known as wheel calculators

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Who Invented the First Calculator? | Reference
Who Invented the First Calculator? | Reference

It was not until 1948 that a pocket-sized calculator was invented and came in the form of the Curta calculator It was not until the 1960s and the advent of electronic devices that the electronic calculator came to be ANITA (A New Inspiration To Arithmetic/Accounting) was the first all-electric desktop calculator and was released in 1961

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Great Inventions: The Pocket Calculator
Great Inventions: The Pocket Calculator

Oct 26, 2010· Great Inventions: The Pocket Calculator October 26, 2010 by Lindsey Chapman Since the time when people used the abacus or slide rule to perform arithmetic, scientists have been looking for easier ways to make calculations Their task was made considerably easier when Jack Kilby helped spur the invention of the pocket calculator

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Calculator - Wikipedia
Calculator - Wikipedia

An electronic calculator is typically a portable electronic device used to perform calculations, ranging from basic arithmetic to complex mathematics The first solid-state electronic calculator was created in the early 1960s Pocket-sized devices became available in the 1970s, especially after the Intel 4004, the first microprocessor, was developed by Intel for the Japanese calculator .

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