The Sumerian abacus appeared in 2700 BC, a primitive device which was difficult to use. The Persians used the abacus in 600 BC. The Greek abacus dated to the 5th Century BC. The Chinese dated to the 2nd Century BC
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.(:
The abacus was developed by the Babylonians in 2000 BC. Though mechanical, it is considered to be one of the earliest computers.
The abacus is ordinarily attributed to the Chinese, but similar counting devices are known in many different ancient cultures. The system of mathematics used with the Indo-Asian abacus is what set it apart.
China invented the abacus .
ABACUS
How did the abacus occur?
An Abacus has beads and strings.
disadvantage of abacus
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