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When the calculator was invented 2024?
Questioner：Julian Patel 2023-06-06 07:03:27
The most authoritative answer in 2024
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Harper Foster——Studied at Stanford University, Lives in Palo Alto, CA
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.read more >>+119962023-06-12 07:03:27
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