User Manual
5-12
Pressing 1(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
1 m GRAPH
2 !m(SET UP) cccc* 1(G + G) J
*fx-7400G
, fx-9750G : ccc
3 !3(V-WIN) -cwcwa.fwc
-cwcwbw
6(RIGHT) -ewewbwc
-dwdwbwJ
4 3(TYPE) 1(Y=) v(v+b)(
v-b)w
6(DRAW)
5 K1(COPY)
• Pressing A while a graph is on the display will return to the screen in step 4.
6. Manual Graphing
k 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. On the Setup screen, change the “Input/Output” setting to “Linear”.
3. Make V-Window settings.
4. Input the commands for drawing the rectangular coordinate graph.
5. Input the function.
Example Graph
y = 2x
2
+ 3x – 4.
Use the following V-Window settings.
Xmin = –5, Xmax = 5, Xscale = 2
Ymin = –10, Ymax = 10, Yscale = 5
1 m RUN
•
MAT (or RUN)
2 !m(SET UP)2(Line)J