HP 39gII - Page 234

224 Variables and memory management
App variables Most app variables store values that are unique to a
particular app. These include symbolic expressions and
equations, settings for the Plot and Numeric views, and
the results of some calculations such as roots and
intersections.
See Reference Information for a complete listing of app
variables and Programming for more information about
using app variables in programs.
To access an app
variable
1. Open the app that contains the variable you want.
ISelect Function
2. Go to where you want to paste the variable.
H
3. Open the Vars menu and switch to the App Vars
menu.
V
(to select App Vars)
4. Use the cursor keys to select the view and then the
variable you want.
>\\(to select Plot)
>\\\(to select Ymax)
5. To copy the variable
name to the edit line,
press
; to copy
the variable contents,
press and .
You can qualify the name of any app variable so that it
can be accessed from anywhere on the HP 39gII. For
example, both the Function app and the Parametric app
have an app variable named Xmin. If you are in the
Parametric app and enter Xmin in the Home view, you