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What Year Was Abacus Invented?

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2700–2300 BC
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The Abacus known as first calculating mechanism is believed to have been invented by Bablonians between 1,000 and 500 BC. Hope this can answer your question. Good luck.
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Anonymous commented
No that doesent answer my Question im trying to know what is the year
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Anonymous commented
Hi...who invented abacus?

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