Hp 39g Graphing Calculator Manual do Utilizador descarregar pdf (Página 54)

100

101

To box zoom The Box Zoom option lets you draw a box around the area you

want to zoom in on by selecting the endpoints of one diagonal

of the zoom rectangle.

1. If necessary, press lgl=l>lM to turn on the menu-key labels.

2. Press and select l3Sm.

3. Position the cursor on one comer of the rectangle. Press

4. Use the cursor keys

(Q, etc.) to drag to the

opposite corner.

f-T-N. .r

SELECT SECDND CC

RNEIt HSKBlEiM

Press H3 to zoom in on

the boxed area.

To set zoom

factors

1. In the Plot view, press

2. Press PEI

3. Select Set Factors. . . and press EH.

4. Enter the zoom factors. There is one zoom factor for the

horizontal scale (XZOOM) and one for the vertical scale

(YZOOM).

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.

2-12

Aplets and their views

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Hp 39g Graphing Calculator Manual do Utilizador Página 54

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