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Monthly Archives: June 2014

Interesting Facts About the Abacus

The abacus throughout history 2700-2300 BCE – the first appearance of the Sumerian abacus appeared in Mesopotamia. 460 BCE – the Greek historian Herodotus mentioned use of the abacus but no other information has been found of its use in Ancient Egypt. 600 BCE – Iranians first began using the abacus during the Achaemenid Persian [...]

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