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The abacus was originally used to add and subtract. It was much faster than an adding machine. Its weakness was that it did not leave a paper trail.
The Chinese abacus
Abacus was invented by the Chinesethe abacus was also known as the first computer
A brain - and it is not a simple device. It was assisted by an abacus, but without a brain an abacus would not have been much use!
Asiana Abacus was created in 1991.
You can currently get one for around 250 pesos. The price will vary depending on the area and the materials used.
China invented the abacus .
Well, answer 1 didn't seem to make much sense...go to the link below to see a picture of a typical abacus
The abacus was originally used to add and subtract. It was much faster than an adding machine. Its weakness was that it did not leave a paper trail.
ABACUS
How did the abacus occur?
An Abacus has beads and strings.
The Chinese 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