- (n.) The art of calculating by nine figures and zero.
- (n.) The art of calculating with any species of notation; as, the algorithms of fractions, proportions, surds, etc.
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Definition of: LOGARITHM
- (n.) One of a class of auxiliary numbers, devised by John Napier, of Merchiston, Scotland (1550-1617), to abridge arithmetical calculations, by the use of addition and subtraction in place of multiplication and division.