Calculator — Questions and answers

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What was the name of the calculating machine that Blaise Pascal invented?

Choices

  1. The Pascaline ✓
  2. The Stepped Reckoner
  3. The Arithmometer
  4. The Abacus

Answer: The Pascaline

From page 1

Why did Blaise Pascal want to invent a calculating machine?

Choices

  1. He wanted to become rich and famous.
  2. To help his father with his difficult tax calculations. ✓
  3. He wanted to build a clock.
  4. He was bored and needed a hobby.

Answer: To help his father with his difficult tax calculations.

From page 4

What could Leibniz's 'Stepped Reckoner' do that the Pascaline couldn't do directly?

Choices

  1. Tell funny jokes
  2. Perform multiplication and division ✓
  3. Make a loud ringing sound
  4. Change its color

Answer: Perform multiplication and division

From page 7