| napier | Synonym: neper. Origin: John Napier, Scottish mathematician, 1550-1617 (05 Mar 2000) |
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| napier's rods | A set of rods, made of bone or other material, each divided into nine spaces, and containing the numbers of a column of the multiplication table; a contrivance of Baron Napier, the inventor of logarithms, for facilitating the operations of multiplication and division. Source: Websters Dictionary (01 Mar 1998) |