Mastering Maths

Knowledge is power.  Maths is the one universal language, yet perhaps the one we fear most.  Get yourself to Khanacademy for some excellent mathematics tutorials.

• With a library of over 2,700 videos covering everything from arithmetic to physics, finance, and history and 240 practice exercises, we're on a mission to help you learn what you want, when you want, at your own pace.

Salman Khan at TED talking about using video to reinvent education.