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Khan Academy: learn math, biology, chemistry, economics, art history and almost anything for free


by Khan Academy
Download this app if: you want to expand your knowledge on a multitude of subjects.


Advisor Review

The Khan Academy goes mobile with new iPad app — The Kahn Academy launched an iPad app last week. The not-for-profit YouTube educational video site, which offers brief tutorials by math genius and former hedge fund manager Salman Khan is already one of the best and most lauded academic websites. Now you can access everything you love about this...

Developer Notes

*** New on iPad only: Over 150,000 exercises with instant feedback ***

Khan Academy allows you to learn almost anything for free.

New in our iPad app, you can:

- Sharpen your skills: over 150,000 interactive, Common Core aligned math exercises are included with instant feedback and...


Higher Learning — Over 2,700 videos, for free? Sign me up! There are so many topics covered by Khan Academy, too.