The first calculator was built by?

A. Marie Jacquad
B. Balise Pascal
C. Charles Babbage
D. John Napier

Correct Answer:

Option B – Balise Pascal

Explanation

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.