Ti-84 Plus Graphing Calculator For Dummies, 2nd Edition
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You can use a program to display graphs on your TI-84 Plus calculator. In the program in this example, the PlotsOff command turns off all stat plots and the FnOff command turns off all functions in the Y= editor. The FnOn 1,2 command turns on the first two functions in the Y= editor so that only these two functions are graphed.

In order to store equations in Y1 and Y2, you must first put quotes around the expression you would like to graph, as shown in the first screen here.

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The ZStandard command tells the calculator to graph these two functions in the standard viewing window where

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as shown in the second screen of the figure.

Commands such as PlotsOff, FnOff, and ZStandard can be entered in your program from the Catalog menu.

About This Article

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About the book authors:

Jeff McCalla is a mathematics teacher at St. Mary's Episcopal School in Memphis, TN. He cofounded the TI-Nspire SuperUser group, and received the Presidential Award for Excellence in Science & Mathematics Teaching. C.C. Edwards is an educator who has presented numerous workshops on using TI calculators.

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