FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -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. The method was based on lattice multiplication, and also called rabdology, a word invented by Napier. Napier published his version in 1617.

Detailed explanation-2: -The Scot, John Napier, invented these strips (originally made from bone) about 400 years ago to help calculate multiplication and division.

Detailed explanation-3: -Using the concept of Napier’s bones, he inscribed logarithms on strips of wood and invented the calculating “machine” which was used up until the mid-1970s when the first hand-held calculators and microcomputers appeared.