the invenor of the abacus is the invenor of me
Samuel Born was a Russian immigrant who invented a lollipop making machine.
China invented the abacus .
They were invented in 1924, but I do not know the invenor. Please add the inventor if you know them.
How did the abacus occur?
An Abacus has beads and strings.
The Chinese abacus
ABACUS
it is the abacus. :D :D :D i got is dummies
The abacus II!
the Chinese invented the abacus
Abacus was invented by the Chinesethe abacus was also known as the first computer
He was an inventor, he invented the lightbulb and the phonograph. He made more than 100 inventions.