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1. en.wikipedia.org › wiki › Mechanical_calculatorMechanical calculator - Wikipedia

   en.wikipedia.org › wiki › Mechanical_calculator

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   A mechanical calculator, or calculating machine, is a mechanical device used to perform the basic operations of arithmetic automatically, or (historically) a simulation such as an analog computer or a slide rule.

2. www.historytools.org › inventions › mechanical-calculatorsMechanical Calculators – History Tools

   www.historytools.org › inventions › mechanical-calculators

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   11 lis 2023 · The quest to automate complex mathematical calculations drove pioneering inventions that laid the foundations of modern computing. Mechanical calculators were the first machines that could reliably perform arithmetic operations quickly and accurately.

3. www.whipplemuseum.cam.ac.uk › calculating-devices › mechanical-calculationMechanical Calculation | Whipple Museum - University of Cambridge

   www.whipplemuseum.cam.ac.uk › calculating-devices › mechanical-calculation

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   Mechanical Calculation. In the 17th and 18th centuries, clockwork and precision engineering made it possible to build devices that could add and subtract at the turn of a dial. The designs of these adding machines differed in important ways.

4. www.vintagecalculators.com › html › mechanical_calculatorsMechanical Calculators

   www.vintagecalculators.com › html › mechanical_calculators

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   The mechanical calculators featured here are typical machines which were ousted by the cheap electronic calculators which were gradually developed during the 1960s and early 1970s.

5. history-computer.com › technology › mechanical-calculatorsMechanical Calculators - History-Computer

   history-computer.com › technology › mechanical-calculators

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   16 kwi 2024 · A mechanical calculator, also known as a calculating machine, is a mechanical device that automatically performs basic arithmetic operations or (historically) a simulation, such as an analog computer or a slide rule.

6. mathandmultimedia.com › 2013/07/24 › mechanical-calculators8 Amazing Mechanical Calculators Before Modern Computers

   mathandmultimedia.com › 2013/07/24 › mechanical-calculators

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   24 lip 2013 · Below are the 8 mechanical calculators before modern computers were invented. 1. Abacus (ca. 2700 BC) Although abacus is not mechanical, it was one of the most widely used calculating device for many years. The abacus is one of the earliest counting machines used for arithmetic calculations. It made up of beads and frame.

7. en.wikipedia.org › wiki › Pascal's_calculatorPascal's calculator - Wikipedia

   en.wikipedia.org › wiki › Pascal's_calculator

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   Pascal's calculator (also known as the arithmetic machine or Pascaline) is a mechanical calculator invented by Blaise Pascal in 1642. Pascal was led to develop a calculator by the laborious arithmetical calculations required by his father's work as the supervisor of taxes in Rouen.