Casio FX-9750GII - Manual (Page 118)

5-12
Pressing (SEL) while one of the function’s is highlighted would causes its “ R ” or “ B ”
indicator to be cleared. A function without an indicator is drawn as the main screen graph
(on the left side of the display).
Example Graph y = x ( x + 1)( x – 1) in the main screen and sub-screen.
Use the following V-Window settings.
(Main Screen) Xmin = –2, Xmax = 2, Xscale = 0.5
Ymin = –2, Ymax = 2, Yscale = 1
(Sub-screen) Xmin = –4, Xmax = 4, Xscale = 1
Ymin = –3, Ymax = 3, Yscale = 1
K GRAPH
AAAA*(G + G))
*fx-7400G ɉ , fx-9750G ɉ : AAA
AUAU@U
(RIGHT) CUCU@UA
BUBU@U)
(TYPE)(Y=)TT@
T@U
(DRAW)
*(COPY)
• Pressing while a graph is on the display will return to the screen in step 4.
6. Manual Graphing
I Rectangular Coordinate Graph
Inputting the Graph command in the RUN • MAT (or RUN) mode enables drawing of
rectangular coordinate graphs.
1. From the Main Menu, enter the RUN • MAT (or RUN) mode.
2. Make V-Window settings.
3. Input the commands for drawing the rectangular coordinate graph.
4. Input the function.
Example Graph y = 2 x 2 + 3 x – 4.
Use the following V-Window settings.
Xmin = –5, Xmax = 5, Xscale = 2
Ymin = –10, Ymax = 10, Yscale = 5
K RUN • MAT (or RUN)