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The abacus was invented by the Sumerians in 2,700 BCE, not in 1642 ACE

Q: Who invented the abacus in 1642?

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The abacus was invented to help people calculate.

The abacus was invented before cameras and so no photograph exists.

jv

the country that invented the abacus is China Actually it is unknown as the abacus seems to predate recorded history and different versions were independently invented in various places.

Abacus was invented by the Chinesethe abacus was also known as the first computer

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China invented the abacus .

The abacus was invented to help people calculate.

the Chinese invented the abacus

abacus was not invented by chinese, but by babylonians.

China invented the Abacus.

abacus the Chinese invented it

The abacus was invented before cameras and so no photograph exists.

jv

the country that invented the abacus is China Actually it is unknown as the abacus seems to predate recorded history and different versions were independently invented in various places.

the country that invented the abacus is China Actually it is unknown as the abacus seems to predate recorded history and different versions were independently invented in various places.

Abacus was invented by the Chinesethe abacus was also known as the first computer

The abacus is actually Mesopotamian in origin and so it was invented around the time of Mesopotamia.