Casio fx-CG20 Manual De Usuario

CASIO

14-37

u To zoom in and out

To double the size of the displayed image, press + or perform the following operation: 
1e(View) – 4:Zoom In.
To halve the size of the displayed image, press - or perform the following operation: 
1e(View) – 5:Zoom Out.

u To zoom the screen image to fit the window area 

Press 

- or perform the following operation: 1e(View) – 6:Zoom to Fit. 

• This will enlarge or reduce the currently display image so it fills the screen. 

→

The above operation does not apply in the case of a graph drawn using 

3e(Draw Spec) 

7: Function f(x).

k Adjusting the Lightness of the Background Image

You can adjust the lightness of the background image while a g3p file is open in the Geometry 
mode. To adjust image lightness, press 

K(Option)e(Properties) 4:Fade I/O and then 

perform the procedure from step 2 under “To adjust the lightness (Fade I/O) of the background 
image” (page 5-12). 

You can use the procedures in this section to insert text into a screen image. You can also edit 
the labels that the calculator inserts automatically for objects, and add labels to objects. 

k Inserting Text into Screen Images

You can use the following procedure to insert text into a screen image and to edit existing text. 

u To insert text into a screen image

1. Move the pointer to the location on the screen where you want to insert the text. 

2. Perform the following operation: 

K(Option) – 1:Text. 

• This will display a text input dialog box and automatically switch the calculator’s keys to 

Alpha Lock.