How do I know what math course I should take? "Prerequisite" is a term for "something necessary as preparation for something else." In the case of math placement, prerequisites come in the form of ...

All kinds of parameters can be described using complex numbers of the form real + j * imaginary. The numerical values of real and imaginary can vary over very wide ranges. Trying to graph them ...

A popular humorist and avowed mathphobe once declared that in real life, there’s no such thing as algebra. Kathie Wilson knows better. Most of the students in her 8th grade class will be thrust into ...