Casio CFX-9800G - Page 119

Notes 7 i Use the cursor keys to move the pointer around the display.
*If you activate the Plot Function without specifying an x-coordinate and y-coordinate,
the pointer appears in the center of the screen. oO-~S
If you specify a point that is outside the range set up by the range parameters, the pointer ae @-@ oe a
does not appear on the display. wh $ H <
*The x-coordinate value of the current pointer location is stored in the X value memory.
The y-coordinate value is stored in the Y value memory.
To plot points in the GRAPH or TABLE Mode
Example.| To plot a point on the graph represented by y= 2.x? — 3, with the follow-
ing range parameters:
[F6) (Coord)
K=1. 663829787
First draw the graph for ‘y=2x2-3 using the procedures described on page 181. E8(Coord)
(Fe(DRW)
rat When the pointer is at the location you want, press ©) to plot a point. '
You can return the pointer to the center of the display at any time by pressing [3)(Plot). ~
Activate the Plot Furiction, and the pointer appears flashing in the center of the display. (lot)
Pointer “
" Fa\(Ploty
Notes.
®You can switch the Plot Function off by pressing [5)(Cls). When you do, the graph is
cleared from the display and then redrawn, without the points that you plotted.
‘*Whenever you are using the Plot Function, the location of the pointer is maintained in
-value. memory..The x-coordinate is stored in value memory X, while the y-coordinate
is stored in value memory. ¥.-: —203—
—202—