abacus
The ancient Romans developed an Abacus. Blaise Pascal, however, was a French mathematical genius, and at the age of 19, he invented a machine, called the Pascaline, that could do addition and subtraction. He invented this machine to help his father, who was also a mathematician.
Tough question. The sarcastic answer would be your brain but I don't think that is what you want as an answer. If you are talking about a non-electric, mechanical machine that can add, then the first such machine would be an abacus. This was generally used in East Asian countries
An Abacus has beads and strings.
ABACUS is a name of a calculating apparatus - it is not an acronym.
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
An abacus. isabella
Napier's Bones. It was a type of abacus.
Other than the human brain, the Abacus