HP Prime Graphing Wireless Calculator Instrukcja Użytkownika Strona 117

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Quick example
The following example uses all six app views and should give you an idea of the typical workow involved in
working with an app. The Polar app is used as the sample app.
Opening the app
1.
Press to open the Application Library.
2. Tap the Polar app icon.
The Polar app opens in Symbolic view.
Symbolic view
The Symbolic view of the Polar app is where you dene or specify the polar equation you want to plot and
explore. In this example we will plot and explore the equation r = 5πcos(θ/2)cos(θ)
2
.
Dene the equation r = 5πcos(θ/2)cos(θ)
2
as follows:
5 2
(If you are using algebraic entry mode, enter 5 2
.)
This equation draws symmetrical petals provided that the angle measure is set to radians. The angle measure
for this app is set in the Symbolic Setup view.
App views 69
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