HP Prime Graphing Wireless Calculator Instrukcja Użytkownika Strona 126

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Common operations in Plot view
Plot view functionality that is common to many apps is described in detail in this section. Functionality that is
available only in a particular app is described in the chapter dedicated to that app.
Press to open Plot view.
Zoom
To easily zoom in Plot view, use a 2-nger pinch zoom. If a 2-nger pinch zoom gesture is performed
horizontally, the zoom is performed on the x-axis only. If a 2-nger pinch zoom is performed vertically, the
zoom is performed on the y-axis only. If a 2-nger pinch zoom is performed diagonally, a square zoom is
performed (that is, the zoom is performed on both axes).
For more concise control, use the options in the Zoom menu. These options use either a horizontal or vertical
factor, or both. By default, these factors are both set to the number 2. Zooming out multiplies the scale by the
factor, so that a greater scale distance appears on the screen. Zooming in divides the scale by the factor, so
that a shorter scale distance appears on the screen.
Zoom factors
To change the default zoom factors:
1.
Open the Plot view of the app ( ).
2.
Tap to open the Plot view menu.
3.
Tap to open the Zoom menu.
4. Scroll and select Set Factors.
The Zoom Factors screen appears.
5. Change one or both zoom factors.
78 Chapter 6 Introduction to HP apps
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