Casio FX-7400GII - SOFTWARE VERSION 2-00 User Manual page 134

1. From the Main Menu, enter the GRAPH mode.
2. Make V-Window settings.
3. On the Setup screen, use the "Sketch Line" setting to specify the line style you want.
( ) ... Normal (initial default)
( ) ... Thick (twice the thickness of Normal)
( ) ... Broken (thick broken)
( ) ... Dot (dotted)
4. Input the function of the graph.
5. Draw the graph.
6. Select the sketch function you want to use.*
(SKTCH)
7. Use the cursor keys to move the pointer (
3
press .*
1
* The above shows the function menu that appears in the GRAPH mode. Menu items may
differ somewhat in other modes.
2
* In the case of an inverse function graph, drawing starts immediately after you select this
option.
3
* Some sketch functions require specification of two points. After you press
first point, use the cursor keys to move the pointer to the location of the second point and
press .
• You can specify line type for the following sketch functions: Tangent, Normal, Inverse, Line,
F Line, Circle, Vertical, Horizontal, Pen
•
Example Draw a line that is tangent to point (2, 0) on the graph for
x
( – 2).
GRAPH
(V-WIN)
(SET UP)
(Cls) ... Screen clear
(Tang) ... Tangent line
(Norm) ... Line normal to a curve
(Inv) ... Inverse function*
( ) (PLOT)
{Plot}/{Pl On}/{Pl Off}/{Pl
• •
( ) (LINE)
{Line}/{F Line} ... {connects 2 points plotted by
•
a line}/{for drawing a line between any 2 points}
( ) (Crcl) ... Circle
( ) (Vert) ... Vertical line
( ) (Hztl) ... Horizontal line
( ) ( ) (PEN) ... Freehand
( ) ( ) (Text) ... Text input
(INIT)
*fx-7400G , fx-9750G :
5-28
1
2
Chg} ... Point {Plot}/{On}/{Off}/{Change}
•
) to the location where you want to draw, and
* ( )
( ) (PLOT) with
to specify the
y x x
= ( + 2)