An abacus is an ancient mathematical tool invented by the Japanese.
The Chinese abacus
Abacus was invented by the Chinesethe abacus was also known as the first computer
the abacus is made by the Egyptian in Egypt.
The abacus was originated in China in 3000 B.C.(:
Asiana Abacus was created in 1991.
That abacus is so old fashioned.
Known as a counting devise, the abacus has been in use for many centuries
well here is the answer ! :)Some people use the abacus to solve some mathematical calculations
Go and puncy one ande then se what hapens to your hand and then blame the abacus
China invented the abacus .
How did the abacus occur?
An Abacus has beads and strings.
The Chinese abacus
ABACUS
it is the abacus. :D :D :D i got is dummies
The abacus II!
the Chinese invented the abacus