Question

In which year Pascal's adding machine was invented?​

Answer 1

Answer:

1642 and 1644

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.

Answer 2

Answer:

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1642 and 1644