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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 full name of an abacus is an abacus. It is a calculating tool. people also refer to them as counting frames.
the abacus is made by the Egyptian in Egypt.
I think Benjamin Franklin.
who was the music disk invetor
Agapito Flores
Christopher Latham Sholes
no he was the invetor of basketball
the invetor is Gilennie Sanchez
Tomas Crapper invented icecream.
One of them are she is a invetor and scientist.
China invented the abacus .
Mary Anderson inventor of the windshield wiper blade.
Frank Whittle was the invetor of the jet engine.
ABACUS