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When the calculator was invented 2024?

Isabella Young | 2023-06-06 07:03:27 | page views：1166
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William Brooks

Works at Google, Lives in Mountain View. Graduated from Stanford University with a degree in Computer Science.
1642The original compact calculator was the abacus, developed in China in the ninth century. The young French mathematician Blaise Pascal (1623-1662) invented the first adding machine in 1642, a clever device driven by gears and capable of performing mechanical addition and subtraction.
2023-06-12 07:03:27
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Charlotte Young

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1642The original compact calculator was the abacus, developed in China in the ninth century. The young French mathematician Blaise Pascal (1623-1662) invented the first adding machine in 1642, a clever device driven by gears and capable of performing mechanical addition and subtraction.
Calculator History - Invention of the Hand-held Calculator
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