Salman Khan

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Khan Academy

Khan Academy - Education

http://www.youtube.com/user/khanacademy

‪Chaîne de khanacademy‬‏ - YouTube

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Matrices, vectors, vector spaces, transformations. Covers all topics in a first year college linear algebra course. This is an advanced course normally taken by science or engineering majors after taking at least two semesters of calculus (although calculus really isn't a prereq) so don't confuse this with regular high school algebra. http://www.khanacademy.org/

Khan Academy