Who is Sal Khan and What Makes Khan Academy's Math Videos So Effective?

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jackiefrost
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Sal Kahn (Kahn Academy) has an impressive collection of mathematics and other tutorial videos. Mathematically, these range from basic arithmetic to differential equations. He's extremely good at providing essential background material while working out well chosen examples. He provides superb narration.

http://www.khanacademy.org/"
 
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Sal Kahn (Kahn Academy) has an impressive collection of mathematics and other tutorial videos. Mathematically, these range from basic arithmetic to differential equations. He's extremely good at providing essential background material while working out well chosen examples. He provides superb narration.
so 'kahn' is one of the possible permutations of 'khan' ? :biggrin: