The cmath module¶

This module contains a number of mathematical operations for complex numbers.

Example: Using the cmath module

# File: `cmath-example-1.py <cmath-example-1.py>`__

import cmath

print "pi", "=>", cmath.pi
print "sqrt(-1)", "=>", cmath.sqrt(-1)

pi => 3.14159265359
sqrt(-1) => 1j

See the Python Library Reference for a full list of functions.