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Significand
The
significand
(also
mantissa
or
coefficient
) is part of a number in
scientific notation
or a
floating-point number
, consisting of its
significant digits
. Depending on the interpretation of the
exponent
, the significand may represent an
integer
or a
fraction
. The word
mantissa
seems to have been introduced by
Arthur Burks
in 1946 writing for the
Institute for Advanced Study
at
Princeton
, although this use of the word is discouraged by the
IEEE floating-point standard
committee as well as some professionals such as the creator of the standard
William Kahan
.
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