Operation Manual

Chapter 16: Programming 280
Editing Programs
Editing a Program
To edit a stored program, follow these steps.
1. Press  ~ to display the
PRGM EDIT menu.
2. Select a program name from the
PRGM EDIT menu. Up to the first seven lines of the program are
displayed.
Note: The program editor does not display a $ to indicate that a program continues beyond the
screen.
3. Edit the program command lines.
• Move the cursor to the appropriate location, and then delete, overwrite, or insert.
• Press ‘ to clear all program commands on the command line (the leading colon remains),
and then enter a new program command.
Note: To move the cursor to the beginning of a command line, press y|; to move to the end, press
y~. To scroll the cursor down seven command lines, press Ġ. To scroll the cursor up seven
command lines, press ƒ}.
Inserting and Deleting Command Lines
To insert a new command line anywhere in the program, place the cursor where you want the new line,
press y6, and then press Í. A colon indicates a new line.
To delete a command line, place the cursor on the line, press ‘ to clear all instructions and
expressions on the line, and then press { to delete the command line, including the colon.
Copying and Renaming Programs
Copying and Renaming a Program
To copy all command lines from one program into a new program, follow steps 1 through 5 for
Creating a New Program, and then follow these steps.
1. Press y K.
Rcl is displayed on the bottom line of the program editor in the new program
(Chapter 1).
2. Press  to display the PRGM EXEC menu.
3. Select a name from the menu.
prgmname is pasted to the bottom line of the program editor.
4. Press Í. All command lines from the selected program are copied into the new program.
Copying programs has at least two convenient applications.
• You can create a template for groups of instructions that you use frequently.
• You can rename a program by copying its contents into a new program.
Note: You also can copy all the command lines from one existing program to another existing program
using RCL.
Scrolling the PRGM EXEC and PRGM EDIT Menus
The TI-84 Plus C sorts PRGM EXEC and PRGM EDIT menu items automatically into alphanumerical order.
Each menu only labels the first 10 items using 1 through 9, then 0.
To jump to the first program name that begins with a particular alpha character or q, press ƒ [letter
from A to Z or q].
Note: From the top of either the
PRGM EXEC or PRGM EDIT menu, press } to move to the bottom.
From the bottom, press † to move to the top. To scroll the cursor down the menu seven items, press
ƒ†. To scroll the cursor up the menu seven items, press ƒ}.