Khan Academy—Unit: Complex numbers

This site introduces you to all the Khan Academy resources available on Imaginary and Complex Numbers.

School of Wisdom: Mathematics of Chaos

This site, sponsored by the School of Wisdom, is entitled “The Mathematics of Chaos” and presents the basic math behind Chaos and the Mandelbrot set.

University of Toronto: Mathematics Network

This resource, presented by the Mathematics Network at the University of Toronto, provides an interesting discussion of Complex Numbers in real life.

Regents Exam Prep

This site, developed by the Oswego City School District Regents Exam Prep Center, presents an introductory glimpse of the application of complex numbers to electrical circuits that can be easily understood and manipulated by students.