Casio FX 9750 User Guide - Page 17

Dual Graph, Box Zoom

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Quick-Start DUAL GRAPH With this function you can split the display between two areas and display two graphs on the same screen. Example: To draw the following two graphs and determine the points of intersection Y1 = X(X + 1)(X - 2) Y2 = X + 1.2 1. Press !Zcc1(Grph) to specify "Graph" for the Dual Screen setting. J 2. Press , and then input the two functions. v(v+b) (v-c)w v+b.cw 6 w 3. Press (DRAW) or to draw the graphs. 123456 BOX ZOOM Use the Box Zoom function to specify areas of a graph for enlargement. ! 2 1 1. Press (Zoom) (BOX). d e f c 2. Use , , , and to move the pointer to one corner of the area you want to specify and then w press . xv

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Quick-Start
xv
DUAL GRAPH
With this function you can split the display between two areas and display two graphs
on the same screen.
Example:
To draw the following two graphs and determine the points of intersection
Y1 = X(X + 1)(X – 2)
Y2 = X + 1.2
1. Press
!Z
cc
1
(Grph) to specify
“Graph” for the Dual Screen setting.
1
23456
2. Press
J
, and then input the two functions.
v
(
v
+b)
(
v
-c)
w
v
+b.c
w
3. Press
6
(DRAW) or
w
to draw the graphs.
BOX ZOOM
Use the Box Zoom function to specify areas of a graph for enlargement.
1. Press
!
2
(Zoom)
1
(BOX).
2. Use
d
,
e
,
f
, and
c
to move the pointer
to one corner of the area you want to specify and then
press
w
.