Application Guide

3. Insert the If...Then...Else...EndIf template.
From the Functions&Programs menu, select Control, and then select
If...Then...Else...EndIf.
4. Type the remaining parts of the function, using the arrow keys to move the cursor
from line to line. Use the Symbol Palette to select the "≤“symbol.
5. Press Enter to complete the definition.
6. Execute prog1(3,-7)to test the program.
Recalling a Function or Program Definition
You might want to reuse or modify a function or program that you have defined.
1. Show the list of defined functions.
From the Actions menu, select Recall Definition.
2. Select the name from the list.
The definition (for example, Define f(x)=1/x+3) is pasted into the entry line
for editing.
Calculator Application 141