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Calculators Integration (with TI-89)

  1. Mar 1, 2009 #1
    When I use the integral feature, my TI-89 is giving a numerical answer even if I'm not selecting any bounds for integration (i.e., if I'm just taking the antiderivative). It's as if there's an implicit integral or something. How do I change this so I can just get a normal antiderivative?

    For example, if the function is x (or whatever) and I do int[x,x] it gives 1/32 instead of 1/2 x^2
     
  2. jcsd
  3. Mar 1, 2009 #2
    You set x to 1/4, you need to clear that variable (on my TI92 thats delvar x).
     
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