John Napier of Merchiston, Scotland
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- Details
- Description
- Date
- 1616 ca.
- Credit Line
- Courtesy of the National Gallery of Scotland. Used with permission.
- Copyright Owner
- © Scottish National Portrait Gallery
- Keywords
- Business; India; Hand calculation; Napier's Bones
- Object ID
- 500004053
Napier’s “bones” are a mechanical aid to multiplication and division. They embody an earlier calculation method from Islamic, South Asian, and Chinese mathematicians.
