Multiple choice

Directions: Find out from the following which is the correct option:

In which of the following years was Pascal's Calculator, the Adding Machine invented?

  1. 1542 A.D.

  2. 1642 A.D.

  3. 1742 A.D.

  4. None of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Blaise Pascal invented the Pascaline, a mechanical adding machine, in 1642 to assist his father with tax calculations.