HP 39g Graphing Calculator - Manual (Page 210)

Program catalog
The Program catalog is where you create, edit, delete, send,
receive, or run programs. This section describes how to
open the Program catalog
create a new program
enter commands from the program commands menu
enter functions from the MATH menu
edit a program
run and debug a program
stop a program
copy a program
send and receive a program
delete a program or its contents
customize an aplet.
Open Program
catalog
Press i SHIFT \PROGRM.
The Program catalog displays a list of program names. If
you haven't created any programs, the only name you'll
see is Editline.
Editliiie contains the last expression that you entered
from the edit line in HOME, or the last data you entered
in an input form. (If you press |
enter ] from HOME
without entering any data, the HP 39G/40G runs the
contents of Editline.)
Editline is
a built-in -
function.
Program catalog menu
Before starting to work with programs, you should take a few
minutes to become familiar with the Program catalog menu
keys. You can use any of the following keys (both menu and
keyboard), to perform tasks in the Program catalog.
15-2 Programming