Casio CFX-9800G - Page 120

Line Function
With the Line Function, you can link two points with a straight line.
Note that there are two different line operations: one for graphs in the comp, SD, REG,
‘or MAT Mode, and another for graphs in the GRAPH or TABLE Mode.
¢@To draw a line in the COMP, SD, REG or MAT Mode
'[Example] To draw the graph for y=3x, and then draw a line from the point on the
graph where x=2 and y=6: :
Use the following range parameters:
Init irre
Draw the graph.
E(CLS)
Use the Plot Function’to locate the pointer at x=2, y=0.
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Rte 0812165 ¥=-0. 064516
Move the pointer up to the graph line.
BWPoYyAnwE
@-@
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22,021 PIGS Y=. 290g |-
Draw the line.
* Fallin) &
Now
draw
another
line
to.
the'y-axis.
Since
the
x-
and
y-coordinates
of
the
point
you
last
plotted
are
stored
in
X’and
Y
value
memories,
you
can
easily
move
the
pointer
back
to
the
point
on
the
graph.
Note
the
following
operation.
F3](Plot) ao er 1S)
R= O21EIGS VSb. 1250328
Move the pointer to the y-axis.
@-@
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Draw.the line...
Fa](Line) Be) ~
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