Question

short note about Napier's bones ​

Answer 1

Hi,army your answer is

Napier's bones is a manually-operated calculating device created by John Napier of Merchiston, Scotland for the calculation of products and quotients of numbers. It was invented in 1614 A.D..OuThe method was based on lattice multiplication, and also called 'rabdology', a word invented by Napier.

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