Napier's bones
volume
British pronunciation/nˈeɪpɪəz bˈəʊnz/
American pronunciation/nˈeɪpɪɚz bˈoʊnz/

"Napier's bones"的定义和意义

Napier's bones
01

纳皮尔的骨头, 纳皮尔棍

a set of numbered rods used for multiplication and division, invented by John Napier in the 17th century

Napier's bones

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