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Math notation

  1. Mar 1, 2009 #1
    can anyone can explain this notation to me?
  2. jcsd
  3. Mar 2, 2009 #2


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    That's just two symbols which don't make any sense like that.
    Can you explain in which context you found them and/or maybe provide a copy of the relevant part of the document (like a scan or copying the sentence)?
  4. Mar 2, 2009 #3


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    If it were [tex]\nabla\times[/tex], then it would be the "curl" operator.
  5. Mar 2, 2009 #4
    It's the gradient of the PI vector. lol.
  6. Mar 2, 2009 #5
    Last edited by a moderator: Apr 24, 2017
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