1925
Bharath Ganapathy Uppangada
The very first calculating "machine" was human hands and fingers. The abacus was next in about 300 BC.
The first mechanical counting device was invented by Blaise Pascal in 1642. It was primarily used as an adding machine. It could add and subtract two numbers.
The first mechanical counting device was invented by Blaise Pascal in 1642. It was primarily used as an adding machine. It could add and subtract two numbers.
Abacus
ABACUS
abacus
brazil invented the first photocopier machine
The Pascaline
Babylonians
The first washing machine was invented in the year 1851. It was the drum washing machine and it was invented by James King.
The lever is generally considered to be the first simple machine invented by humans.