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Chapter 8 Programming
11. Text Display
You can include text in a program by simply enclosing it between double quotation
marks. Such text appears on the display during program execution, which means
you can add labels to input prompts and results.
Program Display
? → X?
”X =” ? → X X = ?
• If the text is followed by a calculation formula, be sure to insert a display com-
mand (^) or multi-statement command (:) between the text and calculation.
•Inputting more than 13 characters causes the text to move down to the next line.
The screen scrolls automatically if the text causes the screen to become full.
12. Using Calculator Functions in
Programs
kk
kk
k Using Graph Functions in a Program
You can incorporate graph functions into a program to draw complex graphs and to
overlay graphs on top of each other. The following shows various types of syntax you
need to use when programming with graph functions.
• View Window
View Window –5, 5, 1, –5, 5, 1 _
• Graph function input
Y = Type_ ...... Specifies graph type.
”X
2
– 3” → Y1_
• Graph draw operation
DrawGraph_
Example Program
1
ClrGraph_
1
!W[32
2
View Window –10, 10, 2, –120, 150, 50_
2
!31Q
3
Y = Type_
3
3321Q
”X ^ 4–X ^ 3–24X
2
+ 4X + 80” → Y1_
4
J[21Q
5
G SelOn 1_
5
3311
6
DrawGraph
6
!W[42
4
P.48
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