because Chinese people use this as thereaddition, subtraction,multiplication anddivision.
Chinese people
The Chinese abacus
abacus the Chinese invented it
abacus (chinese)
the Chinese invented the abacus
abacus was not invented by chinese, but by babylonians.
chinese are white and japanese are short
An abacus is an ancient Chinese calculator that is still in use today.
The abacus was invented by the ancient Chinese people and was used to perform mostly mathematical calculations. In Japan, even to this day, the abacus is still used for simple calculations. Many people consider the abacus the first "computer" or at least the first calculator.
"Answer"The abacus was created 3000Bc ago by the chinese.
I think maybe an abacus
The earliest known written record of the Chinese abacus dates to the 14th century AD.