An Interactive Introduction to Complex Numbers


Enter the complex number z in either cartesian form or exponential form. You can also use "sqrt(2)", "sqrt(3)" etc. and fractions like "3/4". Use "pi" for π, "2*pi" for 2π etc.. When entering φ in degree, add "°".

a b
r φ

Made by Dr. Jens Siebel with GeoGebra.

Last update: 08/15/2010