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Purging A Variable; Changing The Name Of A Variable - HP -28S Manual

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Check the new value.
VOL
3:
133
2:
133
1:
151
EaII _ _ _ _ _
Purging a Variable
When you finish with the variable VOL, purge it from user memory.
Write the variable name in the command line.
~
VOL
2:
133
1:
151
'VOLE!
EaII _ _ _ _ _
(The quote
~
is necessary to avoid evaluating the variable.)
Purge the variable VOL from user memory.
.1
PURGE
1
~3~:----------------~1~3~3
2:
133
1:
151
------
Note that the label for VOL disappears from the USER menu.
Changing the Name of a Variable
You can effectively change the name of a variable by creating a new
variable with the same value and purging the original variable.
In this section you'll first go through the steps required to rename a
variable, then write a program that contains the same steps, and fi-
nally store the program in a variable and execute it by name.
52
3: Using Variables
I

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