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
ABACUS
The abacus is considered the first adding machine because it was the first tool that was used to add with. There were not any counting devices until the invention of the abacus in 3000 BC.
the abacus is made by the Egyptian in Egypt.
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
An abacus.
An abacus.
Abacus
ABACUS
abacus
The Abacus
abacus
The abacus is considered the first adding machine because it was the first tool that was used to add with. There were not any counting devices until the invention of the abacus in 3000 BC.
The very first calculating "machine" was human hands and fingers. The abacus was next in about 300 BC.
abacus
it is the abacus. :D :D :D i got is dummies