Formula problem

This is a discussion on Formula problem within the C++ Programming forums, part of the General Programming Boards category; Hi i've got a formula in which part of it look's like this: 11 x ---- 11! where x is ...

  1. #1
    Cassius
    Guest

    Formula problem

    Hi i've got a formula in which part of it look's like this:

    11
    x
    ----
    11!

    where x is the variable for the power. Would anyone know the purpose of the ! (not) on 11, and what effect it would have on it?
    Thanks.

  2. #2
    Confused Magos's Avatar
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    Not sure what you mean.
    In mathematics, ! is the factorial operator.

    n! = 1 * 2 * 3 * 4 * ... * (n - 1) * n

    (special case: 0! = 1)

    examples:

    2! = 1 * 2 = 2
    4! = 1 * 2 * 3 * 4 = 24
    MagosX.com

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  3. #3
    Cassius
    Guest
    Right so

    11! would be: -


    1 * 2 * 3 * 4 * 5 * 6 * 7 * 8 * 9 * 10 * 11 = 39916800?

  4. #4
    Confused Magos's Avatar
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    *checking the number on my calculator*

    Yep, that's true!
    MagosX.com

    Give a man a fish and you feed him for a day.
    Teach a man to fish and you feed him for a lifetime.

  5. #5
    Cassius
    Guest
    Right thanks, you've sorted the problem out for me!

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