Napier's rods


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Related to Napier's rods: John Napier, slide rule, Pascaline
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Synonyms for Napier's rods

a set of graduated rods formerly used to do multiplication and division by a method invented by John Napier

References in periodicals archive ?
Gasbarro used his own set of Napier's Rods and instructional videos posted on YouTube that explain the concepts and taught the students how to multiply using both methods.
Vidoes on Chinese multiplication and Napier's Rods can be found on YouTube at www.
CUTLINE: (1) Above, Hannah Kachadoorian and Maddy Starkey show off a set of Napier's Rods at Glenwood School in Rutland.