
Suppose you are in Home view and want to retrieve the mean of a data set recently calculated in the Statistics
1Var app.
1.
Press .
This opens the Variables menu. From here you can access Home variables, user-dened variables, and
app variables.
2.
Tap .
This opens a menu of app variables.
3. Select Statistics 1Var > results > MeanX.
The current value of the variable you chose now appears on the entry line. You can press to
see its value. Or you can include the variable in an expression that you are building. For example, if you
wanted to calculate the square root of the mean computed in the Statistics 1Var app, you would
rst
press , follow steps 1 to 3 above, and then press .
Qualifying variables
You can qualify the name of any app variable so that it can be accessed from anywhere on the HP Prime
calculator. For example, both the Function app and the Parametric app have an variable named Xmin. If the
app you last had open was the Parametric app and enter Xmin in Home view, you will get the value of Xmin
from the Parametric app. To get the value of Xmin in the Function app instead, you could open the Function
app and then return to Home view. Alternatively, you could qualify the name of the variable by preceding it
with the app name and a period, as in Function.Xmin.
108 Chapter 6 Introduction to HP apps
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