Whether you’re trying to teach a young kid how to count or struggling through an advanced college math class, there are several apps that can make math less painful. This list focuses on iOS math apps ...

(CBS News) Sal Khan is a math, science, and history teacher to millions of students, yet none have ever seen his face. Khan is the voice and brains behind Khan Academy, a free online tutoring site ...

Where should you go online to advance your understanding of a topic or study something new? For academic subjects, start with the excellent Khan Academy. It's one of the best online learning services, ...

"If I'm down three with 30 seconds left, is it better to take the three or easier to take the two and attempt to foul a bad free-throw shooter and get another possession?" This is just one of eight ...

"This," says Matthew Carpenter, "is my favorite exercise." I peer over his shoulder at his laptop screen to see the math problem the fifth grader is pondering. It's an inverse trigonometric function: ...

Salman Khan, a graduate of the Massachusetts Institute of Technology and the Harvard Business School, was working as a hedge fund manager when he began posting videos on YouTube six years ago to tutor ...