Question

QUESTIONS
YOUR
1. Who was the first to use an
abacus?
2. Why did Pascal invent the first
calculator in 1645?
3. What does the "Stepped
Reckoner” do that Pascal's
machine couldn't?​

Answer 1

Answer:1)Cranmer abacus was the first to use an abacus

2) Pascal invented the first mechanical calculator in 1641, to help his father, who was a tax collector. He worked on his invention, which he called the Pascaline, modifying it and improving it until 1645.

3) Step Reckoner, a calculating machine designed (1671) and built (1673) by the German mathematician-philosopher Gottfried Wilhelm von Leibniz. The Step Reckoner expanded on the French mathematician-philosopher Blaise Pascal's ideas and did multiplication by repeated addition and shifting.

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