An abacus is a mechanical tool that is used to count the numbers. It was originally made up of wood that has several beads that moves up and down through strings or sticks in the frame.
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.
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
the invenor of the abacus is the invenor of me
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.