Sharp EL-9900C User Manual page 141
Graphing calculator
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Also See for EL-9900C:
- Operation manual (284 pages) ,
- Specifications (2 pages) ,
- Bid specifications (1 page)
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GRAPHING CONICS
DispG
End
Label A
"(-A×X2–D×X–F)
÷(B×X+E)"⇒Y1
DispG
End
Press 2ndF
4. Set the calculator to one-line editor by pressing
Press Y= and CL to clear the Y1 prompt. Press
to clear additional prompts if necessary. Set the viewing window for the
graphing by pressing ZOOM
pressing PRGM
5. Enter the A, B, C, D, E, and F from the general conic equation Ax
+ Dx + Ey + F = 0. Graph the general conic equation x
by pressing 1
6
ENTER
return to the home screen. Press GRAPH to view the graph.
6. Gaps in the graph of conics is common. This is due to the graphing of two
equations to form the complete graph. You can repeat this program for
other conics by pressing ENTER to execute the program over and over
again. Press CL to clear the screen. If you receive an error statement,
press
Correct the error and execute the program again.
Return the calculator to equation editor mode by pressing 2ndF
G
1 .
Advanced Keyboard/PROGRAMMING USING THE SHARP EL-9900
Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
(continued)
PRGM
C
PRGM
A
PRGM
B
PRGM
A
×
X/θ/T/n
–
ALPHA
X/θ/T/n
+
A
2
STO
ENTER
PRGM
C
PRGM
A
QUIT to exit the editor.
A (EXEC) and selecting CONICGRA.
ENTER
0
(-)
3
ENTER . When the program is through it will
or
to go to the line within the program with the error.
4
ENTER
6
ENTER
0
1
ALPHA
2
(
(-)
ALPHA
x
2
–
ALPHA
÷
F
)
(
ALPHA
ALPHA
E
)
2ndF
VARS
A
4
ENTER
6
ENTER
2ndF
A
7 . Execute the CONICGRA program by
ENTER
2
ENTER
8
A
ENTER
A
×
D
X/θ/T/n
×
B
PRGM
ENTER
A
1
SETUP
G
2
▼
CL
2
+ Bxy + Cy
2
+ 2y
2
+ 4x – 6y – 3 = 0
4
ENTER
(-)
SETUP
2
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