Texas Instruments TI-89 User Manual

Page of 1008
Programming
 572
Programming
Programming
Programming
Programming
Running an Existing Program
Running an Existing Program
Running an Existing Program
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
Running a Program
Running a Program
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