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Creating A Numerical Variable - HP -28S Manual

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Creating a Numerical Variable
Suppose you repeatedly use a volume measurement of 133 in your
calculations. Create a variable named VOL (for "volume") as follows:
Clear the stack and select the USER menu .
1
CLEAR
I I
USER
I
The USER menu shows your variables. It's blank because you haven't
created any variables yet.
Put the number in level 1.
1331
ENTER
I
Put the name 'VOL' in level 1.
e]
VOL
1
ENTER
I
1
3
:
I
2:
1:
133
------
3:
2:
133
1:
'VOL'
------
Note that the closing , is added for you. The number 133 is lifted to
level 2. (In practice you don't need to press
1
ENTER
I,
but it's included
here for clarity.)
Create the variable VOL.
IL _____ I
The number and the name are removed from the stack, creating a
variable named VOL with a value of 133. Note that VOL now appears
in the USER menu.
3: Using Variables
49

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