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
The abacus was invented to help people calculate.
The abacus was invented before cameras and so no photograph exists.
The abacus was invented by the Sumerians in 2,700 BCE, not in 1642 ACE
jv
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
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.
abacus the Chinese invented it
The abacus was invented before cameras and so no photograph exists.
The abacus was invented by the Sumerians in 2,700 BCE, not in 1642 ACE
China invented the Abacus.
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.