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What does it mean

  1. May 11, 2010 #1
    when you have two numbers that look almost like a fraction (except without the line in the middle), surrounded by parentheses?
  2. jcsd
  3. May 11, 2010 #2


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    You may be describing a binomial coefficient:

    [tex]\binom n k = \frac {n!}{k!(n-k)!}[/tex]
  4. May 11, 2010 #3
    Damnit! I was too slow (took me a while to remember the English)! :biggrin:

    Anyway...here it is Binomial Coefficient
  5. May 11, 2010 #4
    Resolved, thanks y'all.
  6. May 11, 2010 #5
  7. May 12, 2010 #6
  8. May 12, 2010 #7
    It's on my bookmarks toolbar!
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