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mantissa

Noun

man=tis=sa

WORDNET DICTIONARY

mantissa(n = noun.communication) fixed-point part - the positive fractional part of the representation of a logarithm; in the expression log 643 = 2.808 the mantissa is .808; Array

is a kind of fraction

mantissa, n. [L., an addition, makeweight; of Tuscan origin.].

The decimal part of a logarithm, as distinguished from the integral part, or characteristic. [1913 Webster]

mantissa, n. the part of a logarithm after the decimal point.

Etymology

L, = makeweight

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