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Is there any way to program the Prime to do a selection? for example i have a program that will solve parabolas, ellipses and hyperbolas but the way i have it set up right now is with an input and you have to put in a value of 1 in order to go to the next page. i was wondering if there is a command that i can use to select the option.

You can use CHOOSE(). To get help on how to use this command, press the [Help] key, then press menu option labeled "Tree" and use the "Search" menu option. Type in CHOOSE and select OK, and then select OK again.

You can also create your own user interface if you prefer something more customized.