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Python math.frexp() Method

❮ Math Methods

Example

Find the mantissa and exponent of a number:

#Import math Library
import math

#Return mantissa and exponent of numbers
print(math.frexp(4))
print(math.frexp(-4))
print(math.frexp(7))
Try it Yourself »

Definition and Usage

The math.frexp() method returns the mantissa and the exponent of a specified number, as a pair (m,e).

The mathematical formula for this method is: number = m * 2**e.

Syntax

math.frexp(x)

Parameter Values

Parameter Description
x Required. A positive or negative number. If the value is not a number, it returns TypeError

Technical Details

Return Value: A tuple value, representing the mantissa and exponent of x, as a pair (m,e). Mantissa is returned as float exponent returned as integer
Python Version: 2.6

❮ Math Methods