The Checksum - HP -32S Owner's Manual

2. Press BrcLEARl.
3. Press [c] to cancel the catalog or (T) to back out.
To clear all programs in memory:
1. Press Hi prgm Ito display program lines (PRGM annunciator on).
2. Press (illclear I {PGM} to clear program memory.
3. The message CL PGMS? Y N prompts you for confirmation.
Press {Y}.
4. Press Hi prgm I to cancel program entry.
Clearing all of memory (Bl clear I {ALL}) also clears all programs.
The Checksum
The checksum is a unique hexadecimal value given to each program
label and its associated lines (until the next label). This number is use
ful for comparison with a known checksum for an existing program
that you have keyed into program memory. If the known checksum
and the one shown by your calculator are the same, then you have
correctly entered all the lines of the program. To see your checksum:
1. Press Hi mem 1 {PGM} for the catalog of program labels.
2. Display the appropriate label by using the arrow keys, if
necessary.
3. Press and hold 111 show I to display CHKSUM=va/ue.
For example, to see the checksum for the current program (the "cylin
der* program):
Keys:
HrMEMl {PGM}
•I show I (hold)
Display:
LBL C 031.5
CHKSUM=4682
86 5: Simple Programming
Description:
Displays label C,
which takes 31.5 bytes.
If your checksum does
not match this number,
then you have not en
tered this program
correctly.