Who invented the adding machine?

Answer by  stefanosarta (33)

Adding machine was invented by an American called William Seward Burroughs, on August 21,1888. He was born in Rochester, New York. When he moved to St. Louis, Missouri he was hired in a machine shop, and with some special materials he invented the adding machine

Answer by  nireshis (18)

The adding machine was invented by a Frenchman, Blaise Pascal, at the age of 19. He invented it to help his father at work.

Answer by  frugalbear (5)

Adding machine was invented by French mathematician and inventor Blaise Pascal, in 1642. His adding machine was able to perform additions and subtractions directly, andmultiplication and divisions by repetitions.

Answer by  Joe36 (22)

The inventor of the adding machine is noine other than Blaise Pascal who lived in Franc where he invented it in 1642