Sharp EL-9650 - Page 51

EL-9650/9600c/9450/9400 Graphing Calculator
NotesStep & Key Operation
(When using EL-9650/9600c)
*Use either pen touch or cursor to operate.
Display
(When using EL-9650/9600c)
2-2
*
* *
*
*
○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○
Enter y =
√
6 - x
2
+ 2x for Y1,
y = Y1 - 2 for Y2, and y = -Y1 -2 for
Y3.
Notice that if you enter
y =
√
6 - x
2
+ 2x - 2 for Y1
and y = - Y1 for Y2, you will
not get the graph of a circle
because the “±” does not go
with the “-2”.
2-3
* *
"Turn off" Y1 so that it will not
graph.
Notice that “=” for Y1 is no
longer darkened. You now
have the top portion and the
bottom portion of the circle
in Y2 and Y3.
2-4
View the graph.
2-5
* *
* * * *
Adjust the screen to see the bottom
part of the circle using the Rapid
feature.
2-6
View the graph in the new window.
Graphing circles can be performed easily on the calculator display. Also,
the Rapid Zoom feature of the EL-9650/9600c/9450/9400 allows shifting and
adjusting display area (window) of a graph easily.
Wait until the graph is dis-
played after each operation.
(It takes few seconds to
graph)
10-2
GRAPH
GRAPH
ENTER
ENTER
ENTER
ENTER
EZ
ENTER
Y= CL 6
(
-
)
+
—
VARS
ENTER CL
ENTER
ENTER
ENTER
VARS
—
—
2
A1
2
12
x
2
2nd F X/ /T/n
X/ /T/n
√
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