JAMB - Computer Studies (2023 - No. 54)
Who invented the Napier Bones
John Napier
Samuel Napier
Joseph Jacquard
Charles Babbage
Vysvetlenie
Napier's bones is a manually-operated calculating device created by John Napier of Merchiston for calculation of products and quotients of numbers. The method was based on the ancient mathematical principle known as the Arabic lattice, or gelosia multiplication.