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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

    chroot

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    Staff Emeritus
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    Gold Member

    You mean this symbol?

    [tex]\prod{i}[/tex]

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

    [tex]\sum{i}[/tex]

    which means "the sum all values i."

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