MantissaExponent

Usage

• MantissaExponent[x] gives a list containing the mantissa and exponent of a number x.
• MantissaExponent[x, b] gives the base-b mantissa and exponent of x.

Notes

• Example: MantissaExponent[3.4 10^25]

• The mantissa always lies between

and

• MantissaExponent works with exact as well as approximate numeric quantities.

• Example: MantissaExponent[Exp[Pi], 2]

• See Section 3.1.3.

• See also: Log, RealDigits, IntegerExponent.

• New in Version 2; modified in 4.