HP 39G User Manual page 170

Aplet variables
To access an
aplet variable
11-8
Aplet variables store values that are unique to a particular
aplet. These include symbolic expressions and equations (see
below), settings for the Plot and Numeric views, and the
results of some calculations such as roots and intersections.
See the Reference Information chapter for more information
about aplet variables.
Category Available names
Function F0 to F9 (Symbolic view). See "Function
aplet variables" on page R-9.
Parametric X0, Y0 to X9, Y9 (Symbolic view). See
"Parametric aplet variables" on page R-10.
Polar R0 to R9 (Symbolic view). See "Polar
aplet variables" on page R-11.
Sequence U0 to U9 (Symbolic view). See "Sequence
aplet variables" on page R-12.
Solve E0 to E9 (Symbolic view). See "Solve
aplet variables" on page R-13.
Statistics C0 to C9 (Numeric view). See "Statistics
aplet variables" on page R-14.
1. Open the aplet that contains the variable you want to
recall.
2. Press to display the VARS menu.
3. Use the arrow keys to select a variable category in the left
column, then press
column.
4. Use the arrow keys to select a variable in the right
column.
5. To copy the name of the variable onto the edit line, press
. ( is the default setting.)
6. To copy the value of the
variable into the edit line,
press and press
.
to access the variables in the right
Variables and memory management