HP Prime Graphing Wireless Calculator Instrukcja Użytkownika Pobierz pdf (Strona 165)

100

101

Going directly to a value

▲

Place the cursor in the X column and type the desired value. For example, to jump straight to the row

where x = 10:

Accessing the zoom options

You can zoom in or out on a selected row in a table using a 2–nger pinch zoom gesture. Zooming in

decreases the increment; zooming out increases the increment. The values in the row you zoom in or out on

remain the same.

For more precise control over the zoom factor, press (or ). This zooms in (or out) by the Num

Zoom

value set in the Numeric Setup view. The default value is 4. Thus if the current increment (that is, the

Num Step value) is 0.4, zooming in on the row whose x-value is 10 will further divide that interval into four

smaller intervals. So instead of x-values of 10, 10.4, 10.8, 11.2, and so on, the x-values will be 10, 10.1, 10.2,

10.3, 10.4, and so on. (Zooming out does the opposite: 10, 10.4, 10.8, 11.2, and so on become 10, 11.6, 13.2,

14.8, 16.4, and so on.)

In addition, more zoom options are available by tapping .

Other options

Numeric view menu options include the following:

●

Change the size of the font: small, medium, or large

●

Display the denition responsible for generating a column of values

You can also combine the Plot and Numeric views.

Analyzing functions

The Function menu ( ) in Plot view enables you to nd roots, intersections, slopes, signed areas, and

extrema for any function dened in the Function app. You can add a tangent line to a function graph. You can

also sketch a function with your nger and then transform the sketch into a function graph with its expression

saved in Symbolic view. Then, you can translate and dilate the function, or edit its expression in Plot view.

Analyzing functions 117

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