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Earn +20 ptsQ: When century was abacus invented?
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Which century was abacus invented?
Around 2500BC the first Abacus appeared in Sumaria. It arrived in Persia about 600BC. The Greek Abacus is recorded to have been in use about 500BC
What is the Reason Why Abacus is Invented?
The abacus was invented to help people calculate.
Photo of who invented abacus?
The abacus was invented before cameras and so no photograph exists.
Who invented the abacus in 1642?
The abacus was invented by the Sumerians in 2,700 BCE, not in 1642 ACE
Who invented the abacus when it was invented why it was invented and who invented it?
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