Napier's bones
id:
napier-s-bones-218-76256
title:
Napier's bones
text:
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. It was printed in Edinburgh and dedicated to his patron Alexander Seton. Using the multiplication tables embedded in the rods, multiplication can be reduced to addition operations and division to su
brand slug:
wiki
category slug:
encyclopedia
description:
1617 device for calculating products and quotients
original url:
https://en.wikipedia.org/wiki/Napier%27s_bones
date created:
2003-06-24T14:26:22Z
date modified:
2024-09-13T01:46:32Z
main entity:
{"identifier":"Q1358538","url":"https://www.wikidata.org/entity/Q1358538"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/7/73/Napier%27s_Bones.JPG","width":2525,"height":1841}
fields total:
13
integrity:
16