Lesson 16: using variables in calculations – HP 48G User Manual
Page 54
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The variables in the current directory are conveniently available to be
used in calculations and expressions. Pressing the fVAR) key brings up
a menu of the variables in the current directory. As with all menus,
the flMXT) and &)
keys allow you move through the variables
one “page'’ at a time—forwards and backwards, respectively.
Exaiuple:
Store the width and length of a 3-by-5 rectangle in IF and
L ,
then use those values to find the area.
Lesson 16: Using Variables in Calculations
S t e p 1 :
Enter and store the width and length. (Notice that (STO) can
be used to store an object in a variable without using the
Variable Browser.) Press (VAR) when you’ve finished to bring
up the menu of variables in the current directory.
3 (ENTER 1 (3) ©L fSTO)
5 (ENTER n @W (STO"|
(VAR)
S t e p 2 :
Recall the two values to the stack using their variable names.
1:
S t e p S :
Multiply to find the area.
i5
4-10 Understanding and Using Memory