Texas Instruments Titanium TI-89, User Manual

Page: 560 / 977

Programming 557
Programming
Running an Existing Program
After a program is created (as described in the remaining sections of this module), you
can run it from the Home screen. The program’s output, if any, is displayed on the
Program I/O screen, in a dialog box, or on the Graph screen.
Running a Program
On the Home screen:
1. Type the name of the program.
3. Press
¸
.
2. You must always type a set of
parentheses after the name.
Some programs require you to
pass an argument to the
program.
Note:
Use
2 °
to list
existing
PRGM
variables.
Highlight a variable and press
¸
to paste its name to the
entry line.
prog1()
If arguments are not
required
prog1(x,y)
If arguments are required