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Calculators Ti89 Functions

  1. Jun 28, 2005 #1
    I'm wondering how to set my ti 89 to .... " | x does not equal 3, and x does not equal 4 " for any partifular function..... I tried a comma and a "|" still no go...
  2. jcsd
  3. Jun 28, 2005 #2
    ... | x =/= 3 and x =/= 4

    The =/= being the = sign with the slash through it, available through diamond + =

    The and is literally the string "and" which you can type in manually. I prefer to keep a menu item for it. :)
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