18-4 Programming
Creating and editing programs
Create a new 
program
1. Press  PROGRM to open the Program catalog.
2. Press .
The HP 39gs prompts 
you for a name.
A program name can contain special characters, 
such as a space. However, if you use special 
characters and then run the program by typing it in 
HOME, you must enclose the program name in 
double quotes (" "). Don't use the " symbol within your 
program name.
3. Type your program 
name, then press  .
When you press  , 
the Program Editor 
opens.
4. Enter your program. When done, start any other 
activity. Your work is saved automatically. 
Enter commands  Until you become familiar with the HP 39gs commands, 
the easiest way to enter commands is to select them from 
the Commands menu from the Program editor. You can 
also type in commands using alpha characters.
1. From the Program editor, press 
CMDS to open 
the Program Commands menu.
CMDS 
HP 39gs English.book  Page 4  Wednesday, December 7, 2005  11:24 PM