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Great read, Khan academy does solve a lot of the headaches that come with Math, thank you Salman Khan! if it wasn't for him I wouldn't have gotten a 3.8 in Calculus.

for those who don't know math or want to learn this will make your life easier, https://www.khanacademy.org/

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I am not a big fan of 'black screen with voice over' format. There are much much better alternatives for calculus these days, for example calc1 course on coursera is excellent.

On the contrary I prefer his method of teaching more than anything else, it can be quite distracting when there is a face or hand movements on the screen.

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