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HOW TO FIND THE INDEFINITE INTEGRAL OF A FUNCTION WITH TI89 CALCULATOR

Steps Key Sequence Screens
1. Input Function Press DIAMOND key, then F1 key (for Y=)
  Type the function
2. Go to Home screen Press 2nd, then ESC
3. Select integrate Function Press F3
  Press 2 (for integrate()
4. Type in Integrand (i.e., the Function)  
Note: You can either type in the function directly (e.g., 5 – 2x2 + x3) OR, if you followed step 1 above, use y1(x)
5. Type in Independent Variable Press comma key, then x, then ) key
6. Find Antiderivative Press ENTER
Note: The calculator does NOT return a constant of integration!.