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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.
1
23456
2. Press
J, and then input the two functions.
v(v+b)
(v-c)w
v+b. cw
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
.