HP Prime Graphing Wireless Calculator Instrukcja Użytkownika Pobierz pdf (Strona 161)

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3. Trace the quadratic function.

Again notice how the coordinates of the cursor appear at the bottom of the screen and change as you

move the cursor.

Changing the scale

You can change the scale to see more or less of your graph. This can be done in a number of ways:

●

Use a 2-nger pinch zoom performed diagonally to zoom on the x- and y-axis simultaneously.

●

Use a 2-nger pinch zoom performed horizontally to zoom on the x-axis.

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Use a 2-nger pinch zoom performed vertically to zoom on the y-axis.

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Press to zoom in or to zoom out on the current cursor position. This method uses the

zoom factors set in the Zoom menu. The default for both x and y is 2.

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Use the Plot Setup view to specify the exact x-range (X RNG) and y-range (Y RNG) you want.

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Use options on the Zoom menu to zoom in or out, horizontally or vertically, or both..

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Use options on the View menu ( ) to select a predened view. Note that the Autoscale option

attempts to provide a best t, showing as many of the critical features of each plot as possible.

NOTE: By dragging a nger horizontally or vertically across the screen, you can quickly see parts of the plot

that are initially outside the set x and y ranges. This is easier than resetting the range of an axis.

Displaying Numeric view

▲

Display the Numeric view.

Getting started with the Function app 113

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