The first calculator was built by?
...The first calculator was built by?
Marie Jacquad
Balise Pascal
Charles Babbage
John Napier
Correct answer is B
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.
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