Question

Q — Explain Abacus, Slide rule
and Napier bones .
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Answer 1

Answer:

• Abacus:- It is a manual tool used to keep track of numbers and to perform basic mathematical operations.

• Slide rule:- It is a manual device used for calculation that consists in its simple form of a ruler and a movable middle piece which are graduated with similar logarithmic scales.

• Napier's bones:- It is a manually-operated calculating device created by John Napier of Merchiston, Scotland for the calculation of products and quotients of numbers.

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