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Homework Help: Symbol question

  1. Dec 21, 2004 #1
    does anyone know what the symbol that looks like a tall pi means?
  2. jcsd
  3. Dec 21, 2004 #2


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    Staff Emeritus
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    Gold Member

    You mean this symbol?


    If so, it means "the product of all values i." It's a cousin of the summation sign,


    which means "the sum all values i."

    - Warren
  4. Dec 21, 2004 #3
    so much better. thank you.
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