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Does the human calculator stuff really work?

  1. Mar 15, 2015 #1
    There are a lot of books and videos that can teach you how to do math in your head. does any of it really work.
    Is there a certain book or video that you would recomend
  2. jcsd
  3. Mar 15, 2015 #2


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    Staff: Mentor

    It is possible to do math in your head, therefore, yes. Doing it fast and with complicated operations requires a lot of practice and various tricks. I don't know specific books for that.
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