96
Program code
Key operations
H=X√Œ+Y√Œ-X…Œ-Y…Œ
;
H
;
=
@
v
2
A
+
@
v
3
A
-
@
v
d
d
d
d
X3
e
e
A
-
@
v
d
d
d
d
d
Y3
e
e
A
e
I=X≥-X√
;
I
;
=
@
v
0
-
@
v
2
e
J=X√-X…
;
J
;
=
@
v
2
-
@
v
4
e
K=Y≥-Y√
;
K
;
=
@
v
1
-
@
v
3
e
M=Y√-Y…
;
M
;
=
@
v
3
-
@
v
5
e
X=(GM-HK)©2(IM-JK)
;
X
;
=
(
;
G
;
M
-
;
H
;
K
)
z
2
(
;
I
;
M
-
;
J
;
K
)
e
Print X
i
0
;
X
e
Wait
i
3
e
Y=(GJ-HI)©2(KJ-MI)
;
Y
;
=
(
;
G
;
J
-
;
H
;
I
)
z
2
(
;
K
;
J
-
;
M
;
I
)
e
Print Y
i
0
;
Y
e
Wait
i
3
e
R=‰((X-X≥)Œ+(Y-Y≥)Œ)
;
R
;
=
@
*
(
(
;
X
-
@
v
0
)
A
+
(
;
Y
-
@
v
1
)
A
)
e
Print R
i
0
;
R
e
Example
Obtain the center coordinates (X, Y) and radius R of the circle that passes
through points P(1, 9), Q (7, 1) and S (0, 2).
4.
Press
j
to return to the PROG mode menu.
5.
Press
0
, select the program ‘CIRCLE’ and press
e
.
6.
Enter the coordinates (X
1
to X
3
, Y
1
to Y
3
) for the three points.
Result
The center is (4, 5) and radius is 5.
Chapter 8: Application Examples
* Perform equation
1
.
* Perform equation
2
.
* Perform equation
3
.
Summary of Contents for EL-5230
Page 1: ...PROGRAMMABLE SCIENTIFIC CALCULATOR OPERATION MANUAL EL 5230 EL 5250 ...
Page 2: ......
Page 12: ...10 ...
Page 62: ...60 ...
Page 132: ......
