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Who Invented the Abacus?

Abacus invented
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Who Invented the Abacus?

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While the actual inventor of the abacus is unknown, it was used as an early counting device and started somewhere around 500 B.C. The oldest is called the Salamis.

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It’s a difficult to answer because the question is so vague. Perhaps you can rephrase the question after a brief history lesson.

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