China invented the abacus .
Well, answer 1 didn't seem to make much sense...go to the link below to see a picture of a typical abacus
disadvantage of abacus
How did the abacus occur?
who discover abacus
The Chinese abacus
An Abacus has beads and strings.
The First appearance of an abacus was in Sumeria around 2700 to 2300 BC.
Abacus is the first counting machine!
the Chinese invented the abacus
The abacus II!
the invenor of the abacus is the invenor of me
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 invented by the Chinesethe abacus was also known as the first computer
the antonym for abacus is future calculator
China invented the Abacus.
An Abacus can be used as a calculator.
Roman abacus and Japanese abacus
If he isn't the inventor, that probably means that somebody else invented it. Look it up on Wikipedia - it seems that the abacus was already used thousands of years ago.d
to help people make their buts look biggerbecause i like pie
the abacus replaced the abaci
The plural of abacus is abaci or abacuses
ABACUS full form
The abacus was originated in China in 3000 B.C.(: