HP Prime Graphing Wireless Calculator Instrukcja Użytkownika Pobierz pdf (Strona 520)

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Tap to open the app variables menu. (If you were interested in a Home variable instead, you

would tap instead.)

3. Use the cursor keys to navigate to the variable of interest.

Press to see the help about that variable.

Tap to exit or to return to the current Vars submenu.

Qualifying variables

Some app variable names are shared by multiple apps. For example, the Function app has a variable named

Xmin, but so too does the Polar app, the Parametric app, the Sequence app, and the Solve app. Although

named identically, these variables usually hold

dierent values. If you attempt to retrieve the contents of a

variable that is used in more than one app by entering just its name in Home view, you will get the contents of

that version of the variable in the current app. For example, if the Function app is active and you enter Xmin

in Home view, you will get the value of Xmin from the Function app. If you want the value of Xmin from, say,

the Sequence app, you must qualify the variable name. Enter Sequence.Xmin to retrieve the value of Xmin

from the Sequence app.

472 Chapter 23 Variables

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