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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.
164. 22K views 3 years ago. Napier's Bones - Making and working of Napier Bones/ Step by step explanation with simple example napier's bones picture,...more. ...more.
The Napier's Bones Powerpoint presentation describes the bones and their use from an educational and classroom perspective. It uses the usual and profane uncredited web images, but can form the basis of an interesting short story or lesson plan.
Included with this Instructable is a PDF file to print a set of bones on 11" x 17" paper or tagboard. Also included is a SVG file to make a set with a laser using 12" x 12" plywood or MDF. The set consists of 30 bones (three sets of 0-9 bones.), an index bone, a square root bone, and an answer grid.
If your students haven't used Napiers Bones for multiplication their missing out! Multiplying with Napier's Method is a fun and visual way to multiply!
Napier's Bones are the best known of the Maths Devices that John Napier Developed. You can multiply and divide very large numbers, and even find square roots and cube roots without using a calculator!!!
28 mar 2024 · In 1617, Napier published a deceptively simple invention he called "numbering rods" – known today as Napier‘s bones. Little did he know, his elegant system for mechanical multiplication would lay the conceptual groundwork for the programmable computers that now power our world.
