HP HP-18C - Deleting All Formulas AndOr Their User-Variables; Summary of Clear and Delete Operations

Deleting All Formulas and/or Their User-
Variables
To delete the user-variables in all the formulas, or to delete all the
formulas and their user-variables:
1. Display the SOLVE menu and press .1 CLEAR ALL I.
2. Do a or b:
a. To delete the user-variables in all the formulas, press
mao
b. To delete all the user-variables and all the formulas, press
1mmI ·
Summary of Clear and Delete Operations
Table 9-2 summarizes the various ways to clear and delete informa-
tion that is stored using the solver.
Table 9-2. Summary of Clear and Delete Operations
To do this:
Display this menu:
And press:
Clear (set to 0) the
Custom menu for the
.1 CLEAR ALL 1
user-variables in the formula (by pressing
current formula
BlIII)
Delete the user-vari- SOLVE
IilDiI ma
abies for the current
formula
Delete both the current
SOLVE
IilDiIImmI
formula and its user-
variables
Delete all the user-vari-
SOLVE
.1 CLEAR ALL 1 ma
abies in memory
Delete all the formulas
SOLVE
.1 CLEAR ALL 1 ImmI
in the list and all user-
variables
136 9: The Formula Solver