Question

which calcating device was invited by the chinise
Ans​

Answer 1

Answer:

abacus

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Answer 2

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Abacus

The first Chinese Abacus was invented around 500 B.C. The Abacus, as we know it today, was used in China around 1300 A.D. The abacus (plural abaci or abacuses), also called a counting frame, is a calculating tool that was in use in Europe, China and Russia, centuries before the adoption of the written Hindu–Arabic ...

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