Over the past decade, the free instructional website Khan Academy has transformed how tens of millions of students across the globe perceive and approach math. Now, it’s pursuing a bigger aim: ...

(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 ...

From a bedroom in the San Francisco Bay area, Salman Khan is using the Web to teach math and science to millions. Spencer Michels reports on how the non-profit Kahn Academy is providing educational ...

Corrected: An earlier version of this story incorrectly stated the number of registered users of the Khan Academy. It is 137 million users. A bevy of technology and software tools are taking center ...

Many students begin school with a love of math, but stumble when they reach algebra. With the increasing prevalence of mobile learning, though, on-demand apps and resources can help students stay on ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. Khan Academy's math lessons ...

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"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: ...