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Help with Large Pi thing

  1. Sep 14, 2010 #1
    1. The problem statement, all variables and given/known data
    [tex]\Pi_{n=1}^{5} n[/tex]

    2. Relevant equations
    My teacher assumed I learned this in calc 2 but I was never taught this. Can someone tell me what this thing is called?
  2. jcsd
  3. Sep 14, 2010 #2


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    Science Advisor

    It means a "product", like a capital sigma means a "sum", and you interpret it the same way. So this reads, "the product of n, from n=1 to n=5", in other words 1*2*3*4*5, which in this case equals 5!.
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