The abacus was invented before cameras and so no photograph exists.
People realized that they could only count so high with their fingers and toes, so the abacus was invented as an early calculator.
The Chinese abacus
the inventer to the abacus is unknown but all that i know so far is that its was invented in babylonia and was made with wood when first invented
Abacus was invented by the Chinesethe abacus was also known as the first computer
That abacus is so old fashioned.
The abacus was invented before cameras and so no photograph exists.
The abacus is actually Mesopotamian in origin and so it was invented around the time of Mesopotamia.
People realized that they could only count so high with their fingers and toes, so the abacus was invented as an early calculator.
well here is the answer ! :)Some people use the abacus to solve some mathematical calculations
China invented the abacus .
How did the abacus occur?
The Chinese abacus
An Abacus has beads and strings.
ABACUS
the inventer to the abacus is unknown but all that i know so far is that its was invented in babylonia and was made with wood when first invented
it is the abacus. :D :D :D i got is dummies