Tips for Beginners for the TI 89 Calculator

If the calculator is locked-up 4. To quickly move to the end of an expression 4. To reuse a previous entry 4. ... To find the Minima or Maxima of a function 7. ... Notice the difference in the inequalities used above and that the -x + x term is no longer needed. For example 4 - x², x < 1 ... ................
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