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Khan Academy

Khan Academy is a non-profit educational website created in 2006 by educator Salman Khan, a graduate of MIT and Harvard Business School. The stated mission is to provide "a free world-class education for anyone anywhere".

Home > Khan Academy29 Khan Academy Courses
  • Organic Chemistry

    Topics covered in college organic chemistry course. Understanding of basic high school or college chemistry assumed.

  • Paulson Bailout

    Videos to help understand the bailout.

  • Physics

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

  • Pre-Algebra

    Videos on pre-algebra. Should be ready for the "Algebra" playlist if you understand everything here.

  • Precalculus

    Non-trigonometry pre-calculus topics. Solid understanding of all of the topics in the "Algebra" playlist should make this playlist pretty digestible.

  • Probability

    Basic probability. Should have a reasonable grounding in basic algebra before watching.

  • SAT Preparation

    I am going to work through every problem in the College Board "Official SAT Study Guide." You should take the practice tests on your own, grade them and...

  • Statistics

    Introduction to statistics. Will eventually cover all of the major topics in a first-year statistics course (not there yet!).

  • Trigonometry

    Videos on trigonometry. Watch the "Geometry" playlist first if you have trouble understanding the topics covered here.