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.
The abacus was invented by the Sumerians in 2,700 BCE, not in 1642 ACE
The abacus was invented before cameras and so no photograph exists.
abacus the Chinese invented it
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.
The adapted abacus was invented by Tim Cranmer.
An abacus is an ancient mathematical tool invented by the Japanese.
the history about the abacus is that 3000 years ago the chinese invented the abacus. The abacus was made of wood parrelel rod and beads.
The chinese invented the abacus around 300-500bc.
the inventer to the abacus is unknown but all that i know so far is that its was invented in babylonia and was made with wood when first invented
No, the Abacus was invented by the Sumerians in 2,700 BCE
That would be the abacus.
Hmm... the answer is obvious !