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Programming 16-5
8316PROG.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 1:23 PM Printed: 02/19/01 1:39
PM Page 5 of 22
You can enter on a command line any instruction or
expression that you could execute from the home screen. In
the program editor, each new command line begins with a
colon. To enter more than one instruction or expression on a
single command line, separate each with a colon.
Note:
A command line can be longer than the screen is wide; long
command lines wrap to the next screen line.
While in the program editor, you can display and select
from menus. You can return to the program editor from a
menu in either of two ways.
•
Select a menu item, which pastes the item to the
current command line.
•
Press
‘
.
When you complete a command line, press
Í
. The
cursor moves to the next command line.
Programs can access variables, lists, matrices, and strings
saved in memory. If a program stores a new value to a
variable, list, matrix, or string, the program changes the
value in memory during execution.
You can call another program as a subroutine (page 16
.
15
and page 16
.
22).
To execute a program, begin on a blank line on the home
screen and follow these steps.
1. Press
to display the
PRGM EXEC
menu.
2. Select a program name from the
PRGM EXEC
menu
(page 16
.
7).
prgm
name
is pasted to the home screen
(for example,
prgmCYLINDER).
3. Press
Í
to execute the program. While the program
is executing, the busy indicator is on.
Last Answer (
Ans) is updated during program execution.
Last Entry is not updated as each command is executed
(Chapter 1).
The TI
-
83 checks for errors during program execution. It
does not check for errors as you enter a program.
To stop program execution, press
É
. The
ERR:BREAK
menu is displayed.
•
To return to the home screen, select
1:Quit.
•
To go where the interruption occurred, select
2:Goto.
Entering Command Lines and Executing Programs
Entering a
Program
Command Line
Executing a
Program
Breaking a
Program