Sir George Napier
To have a type of abacus to use.
logarithmic device called as napier bones
Napier's bones, used for calculating products and quotients of numbers was also called Rabdology. Napier first published his method in 1617.
John Napier
John Napier's calculating machine invention is called "Napier's Bones."
Napier's Bones. It was a type of abacus.
John Napier invented the Napier`s bone in 1617
John Napier
Sir George Napier
To have a type of abacus to use.
logarithmic device called as napier bones
in 1614 john Napier invented logarithms and a device called NAPIER,s bones
Napier's Bones, a system similar to an abacus which assists in the calculation of products and quotients, and also referred to as Rabdology, was first mentioned as a new invention by Napier in 1617 in Edinburgh, Scotland.
Napier's Bones is a quick and easy way of doing multiplications, invented by John Napier in the 17th Century.
Napier
Napier's bones, used for calculating products and quotients of numbers was also called Rabdology. Napier first published his method in 1617.