Prgm Ctl (Control) Instructions - Texas Instruments TI-84 PLUS - Graphing Calculator Manual Book

PRGM CTL (Control) Instructions

PRGM CTL Menu
To display the
PRGM CTL
CTL I/O EXEC
1: If
2: Then
3: Else
4: For(
5: While
6: Repeat
7: End
8: Pause
9: Lbl
0: Goto
A: IS>(
B: DS<(
C: Menu(
D: prgm
E: Return
F: Stop
G: DelVar
H: GraphStyle(
I: OpenLib(
J: ExecLib(
These menu items direct the flow of an executing program. They make it easy to repeat or skip a
group of commands during program execution. When you select an item from the menu, the name
is pasted to the cursor location on a command line in the program.
To return to the program editor without selecting an item, press '.
Controlling Program Flow
Program control instructions tell the TI-84 Plus which command to execute next in a program.
, and check a defined condition to determine which command to execute next.
While Repeat
Conditions frequently use relational or Boolean tests (Chapter 2), as in:
(program control) menu, press  from the program editor only.
Creates a conditional test.
Executes commands when If is true.
Executes commands when If is false.
Creates an incrementing loop.
Creates a conditional loop.
Creates a conditional loop.
Signifies the end of a block.
Pauses program execution.
Defines a label.
Goes to a label.
Increments and skips if greater than.
Decrements and skips if less than.
Defines menu items and branches.
Executes a program as a subroutine.
Returns from a subroutine.
Stops execution.
Deletes a variable from within program.
Designates the graph style to be drawn.
No longer used.
No longer used.
Chapter 16: Programming
,
If
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