Irrational and Complex Numbers

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In this video, Salman Khan of Khan Academy explains complex numbers. Part 2 of 2.

This video includes sample exercises and step-by-step explanations of complex numbers and conjugates for the California Standards Test.

This video includes sample exercises and step-by-step explanations of imaginary and complex numbers for the California Standards Test.

A helpful scientific calculator that runs in your web browser window.

In this video, Salman Khan of Khan Academy explains complex numbers. Part 1 of 2.

The perfect study site for high school, college students and adult learners. Get help to do your homework, refresh your memory, prepare for a test, ....

In this video, Salman Khan of Khan Academy explains i and imaginary numbers.

How to solve equations with complex numbers

Good site for students to look at if they have just been introduced to complex/imaginary numbers. Works some example problems dealing with simplification of complex expressions.