HP Prime Graphing Wireless Calculator Instrukcja Użytkownika Pobierz pdf (Strona 353)

100

101

Dening the functions

There are 20 elds for dening functions. These are labelled X1(T) through X9(T) and X0(T), and Y1(T)

through Y9(T) and Y0(T). Each X function is paired with a Y function.

1. Highlight which pair of functions you want to use, either by tapping on, or scrolling to, one of the pair. If

you are entering a new function, just start typing. If you are editing an existing function, tap

and make your changes. When you have nished dening or changing the function, press .

2. Dene the two expressions.

The key enters whatever variable is relevant to the current app. In this app, it enters a T.

3. Decide to do one of the following:

●

Give one or more function a custom color when it is plotted

●

Evaluate a dependent function

●

Clear a denition that you don’t want to explore

●

Incorporate variables, math commands, and CAS commands in a denition

For the sake of simplicity we can ignore these operations in this example. However, they can be useful and are

common Symbolic view operations.

Setting the angle measure

To set the angle measure to degrees:

Press .

Getting started with the Parametric app 305

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