napier's rods

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Definitions from WordNet

Noun napier's rods has 1 sense

Napier's bones, Napier's rods - a set of graduated rods formerly used to do multiplication and division by a method invented by John Napier
--₁ is a kind of calculator, calculating machine

Definitions from the Web

Napier's Rods

Definition: Napier's Rods, also known as Napier's Bones, are a calculating device invented by the Scottish mathematician John Napier. It consists of a set of numbered rods or bones that aid in multiplication, division, and square root calculations.

Usage:

Sense 1: Popular Usage - Mathematics

Sample Sentence: Students find Napier's Rods helpful in understanding complex mathematical operations.

Sense 2: Local Usage - History

Sample Sentence: The local museum showcases an ancient Napier's Rods set that dates back to the 17th century.

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