Casio fx-7400G PLUS Graphing Manual do Utilizador descarregar pdf (Página 18)

Chapter 4 Graphing

Use the following View Window parameters.

Xmin = –8 Ymin = –30

Xmax = 8 Ymax = 30

Xscl = 5 Yscl = 10

1. After graphing the functions, press !2 (ZOOM), and the pointer appears on

the screen.

!2(ZOOM)

2. Use the cursor keys (d, e, f, c) to move the pointer to the location that

you want to be the center of the new display.

~ d f ~ f

3. Press 2 (FACT) to display the factor specification screen, and input the factor

for the

x- and y-axes.

2(FACT)

fwfw

4. Press Q to return to the graphs, and then press 3 (IN) to enlarge them.

Q3(IN)

This enlarged screen makes it clear that the graphs of the two expressions are not

tangential.

•Note that the above procedure can also be used to reduce the size of a graph

(zoom out). In step 4, press 4 (OUT).

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Casio fx-7400G PLUS Graphing Manual do Utilizador Página 18