An abacus is an ancient mathematical tool invented by the Japanese.
The Chinese 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 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.(:
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 .
ABACUS
How did the abacus occur?
disadvantage of abacus
An Abacus has beads and strings.
The Chinese 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.
it is the abacus. :D :D :D i got is dummies