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

OPTION LIST CLIP

OFF A-LOCK

STAT

PLOT

SLIDE

SHOW

2ndF

ALPHA

GRAPH

TABLE

WINDOW

ZOOM

TRACE

789 ()

456

–

0(–)

ENTER

+–

–

MATH

STAT

PRGM

Simp

STO

DEL BS

int

x–1

xxx

abc

abcbc

INS

RCL VARS

SET UP QUIT

BCDEF

GH I J K

LMNO

{}

QRST

CATALOG

SPACE ENTRY ANS



Basic Keyboard/PROGRAMMING USING THE SHARP EL-9900

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

Basic Keyboard/PROGRAMMING USING THE SHARP EL-9900

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

▼

Basic Keyboard/PROGRAMMING USING THE SHARP EL-9900

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

Basic Keyboard/PROGRAMMING USING THE SHARP EL-9900

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)

Basic Keyboard/PROGRAMMING USING THE SHARP EL-9900

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

Basic Keyboard/PROGRAMMING USING THE SHARP EL-9900

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)

Basic Keyboard/PROGRAMMING USING THE SHARP EL-9900

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

Basic Keyboard/PROGRAMMING USING THE SHARP EL-9900

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)

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