The answer to this mathematical brain teaser is NOT 40 - can YOU solve it in 30 seconds by remembering the special rule?

We asked Taylor Kloehn five questions about his work and life, including overcoming resistance to learning math and playing electric guitar.

A century ago, Erwin Schrödinger came up with an equation that says how the quantum world behaves. Now scientists are asking ...

The information presented here is intended to describe the course goals for current and prospective students as well as others who are interested in our courses. It is not intended to replace the ...

The information presented here is intended to describe the course goals for current and prospective students as well as others who are interested in our courses. It is not intended to replace the ...

This profile has not been claimed by the company. See reviews below to learn more or submit your own review. Khan Academy has delivered free online educational resources since 2008, specializing in a ...

Purdue is offering incoming students an opportunity to jump-start their college experience this summer through Math Momentum, a fully-funded, five-week on-campus program designed to build math skills, ...

Euny Hong is the former supervising editor at Investopedia.com. She is also the author of two critically-acclaimed, published books. Dr. JeFreda R. Brown is a financial consultant, Certified Financial ...