Floating-Point Quantum

The quantum of a finite floating-point representation is the value of a unit in the last position of its significand.

In general, the quantum is equal to the radix raised to the exponent .

See also

Arithmetic, Biased Exponent, Floating-Point Algebra, Floating-Point Arithmetic, Floating-Point Exponent, Floating-Point Normal Number, Floating-Point Number, Floating-Point Preferred Exponent, Floating-Point Representation, IEEE 754-2008, Interval Arithmetic, NaN, Quiet NaN, Signaling NaN, Significand, Subnormal Number

This entry contributed by Christopher Stover

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References

IEEE Computer Society. "IEEE Standard for Floating-Point Arithmetic: IEEE Std 754-2008 (Revision of IEEE Std 754-1985)." 2008. https://doi.org/10.1109/IEEESTD.2008.4610935.

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Floating-Point Quantum

Cite this as:

Weisstein, Eric W., with contributions by Christopher Stover. "Floating-Point Quantum." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/Floating-PointQuantum.html

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