The abacus was originated in China in 3000 B.C.(:
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the abacus is made by the Egyptian in Egypt.
The Chinese abacus
Abacus was invented by the Chinesethe abacus was also known as the first computer
Asiana Abacus was created in 1991.
The full name of an abacus is an abacus. It is a calculating tool. people also refer to them as counting frames.