A lot of struggling math students have found comfort in the mathematical stylings of Salman Khan. A few years back, Khan started creating videos to help tutor his cousin in math. Those videos became ...

A techie group told me about The Khan Academy. “Check out the Salman Khan YouTube lessons,” they said. “This Salman engages students across time-zones without ever appearing on the screen.” I logged ...

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 ...