HP HP-18C - Editing a Formula

Figure 9-5_ A Formula List
. P I ANOS : PROF I T=PR I CEXQU--current formula
~
PPSYXLXW+9=COST I
DmlllmIllm:D
Name of the current formula
IBII l t ~
Figure 9-6. The Entire Current Fornlula.
-r,...------------cursor
•• IANOS:PROFIT=PRICExQU
AN-VARCOSTxQUAN-FIXED
DmlllmIllm:D
Editing a Formula
To change the current formula:
} Entire current
formula
1. Press IBII to display the entire formula and cursor.
2. Make the necessary changes. You can use all the alphabetic
editing keys (refer to table I-Ion page 24).
3. Press I INPUT lor _ to replace the previous version with the
edited version.
Editing a
formula clears its user-variables.
To abort an editing operation after you've pressed IBII , press
I EXIT I.
9: The Formula Solver 133