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Probability and Statistics - Khan Academy 41 lessons

Probability and statistics on Khan Academy: We dare you to go through a day in which you never consider or use probability. Did you check the weather forecast? Busted! Did you decide to go through the

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Physics - Khan Academy 155 lessons

Projectile motion, mechanics and electricity and magnetism. Solid understanding of algebra and a basic understanding of trigonometry necessary.

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Calculus - Khan Academy 199 lessons

Topics covered in the first two or three semesters of college calculus. Everything from limits to derivatives to integrals to vector calculus. About Khan Academy: Khan Academy offers practice exerc

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Biology - Khan Academy 61 lessons

Covers topics seen in a first year college or high school biology course.

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