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

Definice a Význam "Napier's bones"

Napier's bones
01

Napierovy kosti

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