HP 33S, User Manual

Page: 178 / 388

12–20
Simple Programming
File name 33s-English-Manual-040130-Publication(Edition 2).doc Page : 388
Printed Date : 2004/1/30 Size : 13.7 x 21.2 cm
Memory Usage
If during program entry you encounter the message   , then there is
not enough room in program memory for the line you just tried to enter. You can
make more room available by clearing programs or other data. See "Clearing
One or More Programs" below, or "Managing Calculator Memory" in appendix
B.
The Catalog of Programs (MEM)
The catalog of programs is a list of all program labels with the number of bytes of
memory used by each label and the lines associated with it. Press
¹ u
{

} to display the catalog, and press
Ø
or
×
to move within the list. You
can use this catalog to:
Review the labels in program memory and the memory cost of each labeled
program or routine.
Execute a labeled program. (Press
t
or
¥
while the label is
displayed.)
Display a labeled program. (Press
¹ £
while the label is displayed.)
Delete specific programs. (Press
¹ ¡
while the label is displayed.)
See the checksum associated with a given program segment. (Press
º
Î
.)
The catalog shows you how many bytes of memory each labeled program
segment uses. The programs are identified by program label:
 

where 67 is the number of bytes used by the program.
Clearing One or More Programs
To clear a specific program from memory
1. Press
¹ u
{

} and display (using
Ø
and
×
) the label of the
program.
2. Press
¹ ¡
.
3.
Press
Å
to cancel the catalog or
~
to back out.