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Meaning of MANTISSA

Pronunciation:  man'tisu

WordNet Dictionary
[n]  the positive fractional part of the representation of a logarithm; in the expression log 643 = 2.808 the mantissa is .808

MANTISSA is a 8 letter word that starts with M.


 Synonyms: fixed-point part
 See Also: fraction



Webster's 1913 Dictionary
\Man*tis*sa\, n. [L., an addition, makeweight; of
Tuscan origin.] (Math.)
The decimal part of a logarithm, as distinguished from the
integral part, or characteristic.

Computing Dictionary

1. The part of a floating point number which, when multiplied by its radix raised to the power of its exponent, gives its value. The mantissa may include the number's sign or this may be considered to be a separate part.

2. The fractional part of a logarithm.