HP Prime Graphing Wireless Calculator Manuel d'utilisateur Page 158

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Dening the expressions
There are 10 elds for dening functions. These are labeled F1(X) through F9(X) and F0(X).
1. Highlight the eld you want to use, either by tapping on it or scrolling to it. If you are entering a new
expression, just start typing. If you are editing an existing expression, tap and make your
changes. When you have
nished dening or changing the expression, press .
2. Enter the linear function in F1(X).
1
3. Enter the quadratic function in F2(X).
1 3
NOTE: You can tap the button to assist in the entry of equations. In the Function app, it has
the same eect as pressing . (In other apps, enters a dierent character.)
4. Do one of the following:
Give one or more functions a custom color when it is plotted.
Evaluate a dependent function.
Deselect a denition you do not want to explore.
Incorporate variables, math commands, and CAS commands in a denition.
For the sake of simplicity we can ignore these operations in this example. However, they can be useful
and are common Symbolic view operations.
110 Chapter 7 Function app
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