Pascaline, also called Arithmetic Machine, the first calculator or adding machine to be produced in any quantity and actually used. The Pascaline was designed and built by the French mathematician-philosopher Blaise Pascal between 1642 and 1644.

Who invented the first mechanical adding machine?

The first mechanical calculating machine was invented in 1642 by Blaise Pascal, a 19-year-old Frenchman. Pascal's machine used gears and could add and subtract.

How did the adding machine work?

When multiplying and dividing numbers with modern adding machines, you punch the keys and work the problems similar to the way you would with a calculator. ... Adding machines also have memory, where you can add a group of numbers, save them in memory, add another group of numbers and then add the two sums.