Tips for Beginners for the TI 89 Calculator

It is possible to develop a formula to calculate the window size to set to solve this problem, but that is tedious. Here is a trick. In (GRAPH set F2 Zoom C: Set factors, set xFact and yFact to 10 (or if you prefer a smaller zoom step size to 10 - the default zoom step size is 4). Select F2 Zoom 8: ZoomInt. Set the center where you need it. ................
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