Multiple choice

Who was the first person who developed a mechanical device in the 17th century that could add, subtract, multiply, divide and find square roots?

  1. Napier

  2. Pascal

  3. Babbage

  4. Leibnitz

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

Leibnitz is the first person to make a mechnical device for the above given measurements and today it is known as the Calculator. That magnetic calculator is only used for basic operations.