HP Prime Graphing Wireless Calculator Manual do Utilizador descarregar pdf (Página 627)

100

101

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graphically display the results of the simulation

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numerically display the results of the simulation.

With that in mind, we will create the following views:

START, ROLL DICE, SET SIDES, and SET ROLLS.

The START option will initialize the app and display a note that gives the user instructions. The user will also

interact with the app through the Numeric view and the Plot view.

These views will be activated by pressing and , but the function Plot() in our app program

will actually launch the latter view after doing some conguration.

Before entering the following program, press to open the Info editor and enter the text

shown in the gure. This note will be attached to the app and will be displayed when the user selects the Start

option from the View menu (or presses ).

The program discussed earlier in this chapter to get the number of sides for a dice is expanded here, so that

the possible sums of two such die are stored in dataset D1. Enter the following sub-routines into the program

for the DiceSimulation app.

The DiceSimulation program

DICESIMVARS();

ROLLDIE();

EXPORT SIDES,ROLLS;

EXPORT DiceSimulation()

BEGIN

END;

VIEW "Start",START()

BEGIN

D1:={};

The User Keyboard: Customizing key presses 579

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