Sharp EL-9900 User manual

Sharp EL-9900
Graphing Calculator
Basic Keyboard Activities
General Mathematics
Algebra
Programming
Advanced Keyboard Activities
Algebra
Calculus
Statistics
Trigonometry
Programming

Sharp EL-9900
Graphing Calculator
Basic Keypad
EL-9900
SUB SPLIT TBLSET DRAW FORMAT CALC
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1
Basic Keyboard/PROGRAMMING USING THE SHARP EL-9900
Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
1. The Basic keyboard can only execute a program. Use the Advanced
Keyboard to enter and check the program.
2. Turn the calculator on and press PRGM to enter the programming menu.
The menu consists of commands to execute, edit, and create new programs.
3. Press C (NEW) and ENTER to open a new program. The calculator is
now locked in ALPHA mode and is prepared to accept a name for the new
program. Enter the program name.
4. You can now enter the program. All program commands are obtained in the
program menu. You cannot type program commands using the ALPHA
key. To reach this menu, press PRGM . All the program commands begin
with an uppercase letter.
5. Press CL to exit the program commands. When entering a new
program, you must press ENTER at the end of each line.
6. If you make a mistake entering a program, use the calculator's editing
feature to correct the error. First, you can press the arrow keys to move
around the program. Second, you can use the DEL key which deletes a
highlighted item, the BS key which backspace deletes an item, and the
2ndF INS keys which allow you to insert new items. Third, the
calculator operates in typeover mode which allows you to simply type over
a mistake. You must press ENTER after correcting a mistake for the
correction to be saved for future use.
CREATING A NEW PROGRAM

2
Basic Keyboard/PROGRAMMING USING THE SHARP EL-9900
Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
1. After entering the program with the Advanced Keyboard, press 2ndF
QUIT to save the program and exit the editing mode.
2. Execute a program by pressing PRGM A (EXEC) and select the program
using the arrow keys and press ENTER .
3. If you receive an error statement, press to go to the line within the
program in which the error occurs. Compare your line with the correct one
above to find the error. Correct the error using the editing features of the
calculator and press ENTER to save the correction. Press 2ndF QUIT
and try to execute the program again.
4. Once the program is working, you can execute the program from the Basic
Keyboard.
EXECUTING A PROGRAM
▼
▼

3
Basic Keyboard/PROGRAMMING USING THE SHARP EL-9900
Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
1. Program the calculator to find the prime factorization of a whole number
greater than 2. This method decomposes a number into the prime factors
2, 3, 5, etc.
2. Create a new program with the name DECOMP. Enter the following program
and remember to press ENTER at the end of each line. If you make a
mistake, use the calculator’s editing features to correct the error.
3. Enter the following program using the Advanced Keyboard:
Input N PRGM A 3 ALPHA N ENTER
2⇒D 2 STO ALPHA D ENTER
Label A PRGM B 0 1 ALPHA A ENTER
If (N÷D) = int PRGM B 0 3 (ALPHA N ÷
(N÷D) Goto B ALPHA D )ALPHA = MATH B 0 5
(ALPHA N ÷ALPHA D )
PRGM B 0 2 ALPHA B ENTER
D+1⇒D ALPHA D +1 STO ALPHA D
ENTER
If D ≤√N Goto A PRGM B 0 3 ALPHA D MATH
F 6 2ndF √ALPHA N PRGM
B 0 2 ALPHA A ENTER
Goto C PRGM B 0 2 ALPHA C ENTER
Label B PRGM B 0 1 ALPHA B ENTER
N÷D⇒N ALPHA N ÷ALPHA D STO ALPHA
N ENTER
Print D PRGM A 1 ALPHA D ENTER
Goto A PRGM B 0 2 ALPHA A ENTER
Label C PRGM B 0 1 ALPHA C ENTER
Print N PRGM A 1 ALPHA N ENTER
End PRGM A 6 ENTER
Press 2ndF QUIT to exit the editor.
PRIME FACTORIZATION

4
Basic Keyboard/PROGRAMMING USING THE SHARP EL-9900
Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
4. Execute the DECOMP program from the Basic Keyboard by pressing
PRGM and selecting DECOMP. Enter the number for which you want to
find the prime factorization. Try 56. Press 5 6 ENTER to find the
prime factorization of 56. You should then see the following prime
factorization.
You can repeat this program for other numbers by pressing ENTER
to execute the program over and over again. Press CL to clear the
screen.
PRIME FACTORIZATION (continued)

5
Basic Keyboard/PROGRAMMING USING THE SHARP EL-9900
Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
1. Program the calculator to find the common factors and the greatest common
factor of any pair of whole numbers.
2. Create a new program with the name FACTORS. Enter the following program
and remember to press ENTER at the end of each line. If you make a
mistake, use the calculator’s editing features to correct the error.
3. Enter the following program using the Advanced Keyboard:
Input A PRGM A 3 ALPHA A ENTER
Input B PRGM A 3 ALPHA B ENTER
2⇒D 2 STO ALPHA D ENTER
Label A PRGM B 0 1 ALPHA A ENTER
If fpart (A÷D)π0 PRGM B 0 3 MATH B 4 (
Goto B ALPHA A ÷ALPHA D )MATH F
2 0 PRGM B 0 2 ALPHA B
ENTER
If fpart (B÷D)π0 PRGM B 0 3 MATH B 4 (
Goto B ALPHA B ÷ALPHA D )MATH F
2 0 PRGM B 0 2 ALPHA B
ENTER
Print D PRGM A 1 ALPHA D ENTER
Label B PRGM B 0 1 ALPHA B ENTER
D+1⇒D ALPHA D + 1 STO ALPHA D
ENTER
If D≤min(A,B) PRGM B 0 3 ALPHA D MATH
Goto A F 6 MATH B 6 ALPHA A ,
ALPHA B )PRGM B 0 2
ALPHA A ENTER
End PRGM A 6 ENTER
COMMON FACTORS

6
Basic Keyboard/PROGRAMMING USING THE SHARP EL-9900
Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
4. Execute the FACTORS program from the Basic Keyboard by pressing
PRGM and selecting FACTORS. Enter the numbers for which you
want to find the common factors. Try 60 and 48. Press 6 0 ENTER
4 8 ENTER to find the common factors of 60 and 48. You should
then see the following common factors.
You can repeat this program for other numbers by pressing ENTER to
execute the program over and over again. Press CL to clear the screen.
COMMON FACTORS (continued)

7
Basic Keyboard/PROGRAMMING USING THE SHARP EL-9900
Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
1. Program the calculator to perform synthetic division of a polynomial
by a linear divisor.
2. Create a new program with the name SYNTHETI. Enter the following
program and remember to press ENTER at the end of each line. If you
make a mistake, use the calculator’s editing features to correct the error.
3. Enter the following program using the Advanced Keyboard:
Input D PRGM A 3 ALPHA D ENTER
0⇒P 0 STO ALPHA P ENTER
{D+1,1}⇒2ndF {ALPHA D + 1 , 1 2ndF
dim(mat A) } STO 2ndF MATRIX C 0 1 2ndF
MATRIX A 1 )ENTER
Print “COEFFIC PRGM A 1 PRGM 2
IENTS P(X) 2ndF A-LOCK C O E F F I
C I E N T S SPACE P ALPHA
( X/θ/T/n ) ENTER
Label A PRGM B 0 1 ALPHA A ENTER
P+1⇒P ALPHA P + 1 STO ALPHA P
ENTER
Input C PRGM A 3 ALPHA C ENTER
C⇒mat A(P,1) ALPHA C STO 2ndF MATRIX A 1 (
ALPHA P , 1 )ENTER
If P<D+1 PRGM B 0 3 ALPHA P MATH
Goto A F 5 ALPHA D + 1 PRGM
B 0 2 ALPHA A ENTER
Label B PRGM B 0 1 ALPHA B ENTER
Input R PRGM A 3 ALPHA R ENTER
Label C PRGM B 0 1 ALPHA C ENTER
1⇒P 1 STO ALPHA P ENTER
0⇒S 0 STO ALPHA S ENTER
SYNTHETIC DIVISION

8
Basic Keyboard/PROGRAMMING USING THE SHARP EL-9900
Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
Print “COEFFIC PRGM A 1 PRGM 2
IENTS Q(X) 2ndF A-LOCK C O E F F I C
I E N T S SPACE Q ALPHA (
X/θ/T/n )ENTER
Label D PRGM B 0 1 ALPHA D ENTER
mat A(P,1)⇒F 2ndF MATRIX A 1 (ALPHA P , 1
)STO ALPHA F ENTER
F+S⇒Q ALPHA F + ALPHA S STO ALPHA
Q ENTER
Print Q PRGM A 1 ALPHA Q ENTER
Wait PRGM A 4 ENTER
R×Q⇒S ALPHA R ×ALPHA Q STO ALPHA
S ENTER
P+1⇒P ALPHA P + 1 STO ALPHA P
ENTER
If P<D+1 PRGM B 0 3 ALPHA P MATH
Goto D F 5 ALPHA D + 1 PRGM B 0
2 ALPHA D ENTER
mat A(P,1)⇒F 2ndF MATRIX A 1 (ALPHA P , 1 )
STO ALPHA F ENTER
F+S⇒Q ALPHA F + ALPHA S STO ALPHA
Q ENTER
Print PRGM A 1 PRGM 2 2ndF
“REMAINDER A-LOCK R E M A I N D E R
ALPHA ENTER
Print Q PRGM A 1 ALPHA Q ENTER
End PRGM A 6 ENTER
Press 2ndF QUIT to exit the editor.
SYNTHETIC DIVISION (continued)