Question

Who invented Napier's Bones calculator​

Answer 1

Answer:

Sir John Napier invented calculator Napier bone in 1616

Answer 2

Answer:

JOHN NAPIER

Explanation:

John Napier, the inventor of logarithms, alsoinvented this aid to calculation known as 'Napier's Bones' in 1617. The 'bones' consist of a set of rectangular rods, each marked with a counting number at the top, and the multiples of that number down their lengths.