Hmm... the answer is obvious !
abacus the Chinese invented it
abacus was not invented by chinese, but by babylonians.
the Chinese invented the abacus
abacus
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.
Abacus was the first calculating device invented by the Chinese.
the chinese and it is for counting. it is the original calculator
China invented the abacus .
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.
Most likely Han, but it was used most in the Ming.
the Chinese and the Mayan were one of the firs t civilizations to create the abacus in around 2600 BC. - uday the great
The Chinese abacus