https://www.khanacademy.org/ - 1 views

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  #1 CATHERINE JOHNS on 21 Jul 13

   

  With a library of over 4,300 videos on everything from arithmetic to physics, finance, and history and hundreds of skills to practice, we're on a mission to help you learn what you want, when you want, at your own pace.

   

  <div class="cArrow"> </div><div class="cContentInner">With a library of over 4,300 videos on everything from arithmetic to physics, finance, and history and hundreds of skills to practice, we're on a mission to help you learn what you want, when you want, at your own pace.</div>

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