HP Prime Graphing Wireless Calculator Instrukcja Użytkownika Pobierz pdf (Strona 166)

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Displaying the Plot view menu

The Function menu is a sub-menu of the Plot view menu. First, display the Plot view menu:

The menu buttons are as follows.

Button Purpose

Opens the Zoom menu, which contains options for zooming in and out.

Enables and disables the tracing cursor. If disabled, the cursor can move freely.

Displays an input form for you to specify the x-value you want to jump to.

Starts Sketch Mode, which enables you to sketch a function with your nger.

Opens the Function menu. See Summary of FCN operations on page 129.

Opens or closes the Plot view menu.

Sketching functions

You can sketch a function with your nger and transform the sketch into the graph of a function.

To enter Sketch Mode and save a sketch:

In the Plot view menu, tap .

2. After the menu bar displays Sketch a function, use your nger to sketch any of the following function

types:

TIP: You can press at any time to cancel the current sketch and exit Sketch Mode.

●

Linear—m*x + b

●

Quadratic—a*x

+ b*x + c

●

Cubic—a*x^3 + b*x^2 + c*x + d

●

Exponential—a*e^(b*x + c)

●

Logarithmic—a*LN(x) + b

●

Sinusoidal—a*SIN(b*x + c) + d

3. After you lift your nger from the calculator display, the sketch is transformed into a function from one

of the listed types. The graph is displayed in a thick line style with the expression displayed at the

bottom-left corner of the display. To save this graph and expression in the rst available denition (F0–

F9) in Symbolic view, tap . If you do not want to save this graph and expression, draw a new

sketch. It overwrites the existing sketch.

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