Owner manual

Storing and Retrieving Variables in Programs
The HP 38G has both Home variables and aplet variables.
Home variables are used for real numbers, complex numbers,
graphics, lists, and matrices. Home variables keep the same
values in Home or in aplets.
Aplet variables are those whose values depend on the current
aplet. The aplet variables are used in programming to
emulate the definitions and settings you make when working
with aplets interactively.
The Variable Menu
You use the Variable menu (|var|) to retrieve either Home
variables or aplet variables.
To retrieve a You can use this procedure to retrieve either the variable
Home variable name or the variable value into your program.
1. Press pVARl to open the Variable menu.
variable
category
2. if necessary, press {{HOME«}} to open the list of aplet
variables.
The left side of the display shows the variable categories
and the right side shows the variable names.
4
IWBlBiHiEISlii
Z1
Graphic Z2 ------
Library Z3
List V
Z4 w
tnnspimniiiiitigDnwraintiiHiiBnaii
-variable name
3. Select a Home variable category.
4. Select a Home variable name.
5. Press {{NAM»}} {{OK}} to retrieve the name of the variable.
or
Press {{VALU»}} {{OK}} to retrieve the value of the variable.
8-26 Programming