Irrational and Complex Numbers

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.

This algebra reference sheet contains the following algebraic operations addition, subtraction, multiplication, and division. It also contains associative, commutative, and distributive properties. There are example of arithmetic operations as well as properties of exponents, radicals, inequalities, absolute values, complex numbers, logarithms, and polynomials. This sheet also contains many common factoring examples. There is a description of the quadratic equation as well as step by step instruction to complete the square.

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.