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 or the soroban has been used for thousands of years.
Asiana Abacus was created in 1991.
The earliest recorded calculating device is the abacus. Used as a simple computing device for performing arithmetic, the abacus most likely appeared first in Babylonia (now Iraq) over 5000 years ago.
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
the Chinese invented the abacus
the invenor of the abacus is the invenor of me
The abacus II!