50 Function app
Define the
expressions
There are 10 function definition fields on the Function
app's Symbolic view. They are labelled F1(X) through
F9(X) and F0(X). Highlight the function definition field
you want to use, and enter an expression. You can press
to edit an existing expression or just start typing to
enter a new expression. Press
Cto delete an existing
expression, or SClear to clear all expressions.
2. Enter the linear function in F1(X).
1
wdE
3. Enter the quadratic
function in F2(X).
ldw
1mjw
3
E
NOTE
You can use the menu key to assist in the entry of
equations. It has the same effect as pressingd.
Set up the plot You can change the scales of the x- and y-axes and the
spacing of the axis tick marks.
4. Display plot settings.
SSETUP-PLOT
Note: for our example, you can leave the plot settings at
their default values. If your settings do not match this
example, pressSCLEAR to restore the default values.
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