5 drawing graphs manually – Casio fx-9750G Graphing User Manual
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8-5 Drawing Graphs Manually
After you select the RUN icon in the Main Menu and enter the RUN Mode, you can
draw graphs manually. First press
!
4
(Sketch)
5
(GRPH) to recall the Graph
Command Menu, and then input the graph function.
!4
(Sketch)
5
(GRPH)
1
(Y =) ......... Rectangular coordinate graph
2
(
r
=) .......... Polar coordinate graph
3
(Parm) ...... Parametric graph
4
(X = c) ...... X = constant graph
5
(G
∫
dx
) ....... For drawing integration graphs
6
(
g
) ........... Next menu
6
(
g
)
1
(Y >) ......... Y >
f
(
x
) inequality
2
(Y <) ......... Y <
f
(
x
) inequality
3
(Y
≥
) ......... Y
>
f
(
x
) inequality
4
(Y
≤
) ......... Y
<
f
(
x
) inequality
6
(
g
) ........... Previous menu
uuuuu
To graph using rectangular coordinates (Y =)
You can graph functions that can be expressed in the format
y
=
f
(
x
).
Example
To graph
y
= 2
x
2
+ 3
x
– 4
Use the following View Window parameters.
Xmin
= –5
Ymin
= –10
Xmax = 5
Ymax = 10
Xscale = 2
Yscale =
5
1. In the set-up screen, specify the appropriate graph type for Func Type.
!Z
c1
(Y =)
J
2. Input the rectangular coordinate (Y =) expression.
!4
(Sketch)
1
(Cls)
w
5
(GRPH)
1
(Y =)
cvx+dv-e
1 2 3 4
5
6
1 2 3 4 5 6