Sharp EL9900C - Graphing Calc With 2 Sided Keypad Lrg 22 CHAR/8 Line Display... Bedienungsanleitung

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/GENERAL MATHEMATICS USING THE SHARP EL-9900

Press to access the calculation screen.

1. Add 9 to 27 twice.

STEP 1: Enter 27 by pressing 2 7 .

STEP 2: Add by pressing the + key.

STEP 3: Enter 9 by pressing 9 .

STEP 4: Find the first sum by pressing the ENTER key.

STEP 5: Add 9 again by pressing + 9 ENTER .

2. Multiply to . Then, convert to a decimal.

STEP 1: Enter by pressing 3 a/b 4 .

STEP 2: Multiply by pressing the × key.

STEP 3: Enter by pressing 5 a/b 2 .

STEP 4: Find the product by pressing ENTER .

STEP 5: Convert to an improper fraction by pressing ➞b/c ENTER .

STEP 6: Convert to a mixed number by pressing ➞ab/c ENTER .

BASIC ARITHMETIC

+–

▼

Basic Keyboard/GENERAL MATHEMATICS USING THE SHARP EL-9900

Press to access the calculation screen.

A trapezoid is a four-sided figure where two of the sides are parallel

and the other two sides are not parallel.

The area of a trapezoid is defined to be Area = ( )•(b1+ b2) where h

is the height or distance between the parallel sides b1and b2.

1. Calculate ( ) ×(3 + 4).

STEP 1: Enter ( ) by pressing (5 a/b 2 ).

STEP 2: Multiply by pressing the ×key.

STEP 3: Enter (3 + 4) by pressing (3 + 4 ).

STEP 4: Calculate by pressing the ENTER key.

The answer is 17.5

2. Edit the previous calculation to find ( )•(7 + 4).

STEP 1: Edit the previous calculation by pressing 2ndF ENTRY

to move the blinking cursor to highlight the 3.

STEP 2: Delete the 3 by pressing DEL to backspace delete.

STEP 3: Insert the 7 by pressing 7 .

STEP 4: Calculate by pressing the ENTER key.

The answer is 27.5.

PARENTHESES AND EDITING

+–

▼

Basic Keyboard/GENERAL MATHEMATICS USING THE SHARP EL-9900

Press to access the calculation screen.

Mixtures contain two or more components. Percents are often used to

express the amount of a component in a mixture.

1. Find 30% of 400.

STEP 1: Enter 400 by pressing 4 0 0 .

STEP 2: Multiply by pressing the ×key.

STEP 3: Enter 30% by pressing 3 0 2ndF % ENTER .

The answer is 120.

2. Find what percent of 500 is 150.

STEP 1: Enter 150 by pressing 1 5 0 .

STEP 2: Divide by pressing the ÷ key.

STEP 3: Enter 500 by pressing 5 0 0 .

STEP 4: Calculate by percentage by pressing 2ndF % ENTER .

The answer is 30%.

PERCENTS

+–

Basic Keyboard/GENERAL MATHEMATICS USING THE SHARP EL-9900

3. Add 20% to 300.

STEP 1: Enter 300 by pressing 3 0 0 .

STEP 2: Add by pressing the + key.

STEP 3: Enter 20% by pressing 2 0 2ndF % ×

3 0 0 ENTER .

The answer is 360.

4. Subtract 40% from 200.

STEP 1: Enter 200 by pressing 2 0 0 .

STEP 2: Subtract by pressing the – key.

STEP 3: Enter 40% by pressing 4 0 2ndF % ×

2 0 0 ENTER .

The answer is 120.

PERCENTS (continued)

Basic Keyboard/GENERAL MATHEMATICS USING THE SHARP EL-9900

Press to access the calculation screen.

1. Calculate 2 • 3 and store the value in A. Recall the A to

see the product stored in A.

STEP 1: Multiply 2 and 3 by pressing 2 ×3 ENTER .

The product is 6.

STEP 2: Store 6 into A by pressing STO ALPHA A ENTER .

STEP 3: Clear the screen by pressing CL .

STEP 4: Recall A by pressing ALPHA A ENTER .

2. Calculate 3 • 5 and store the value in M. Calculate 4 • 5

and add this product to M. Then, recall the M to see the

sum of the products.

STEP 1: Multiply 3 and 5 by pressing 3 ×5 ENTER .

The product is 15.

STEP 2: Store 15 into M by pressing STO ALPHA M ENTER .

STEP 3: Multiply 4 and 5 by pressing 4 ×5 ENTER .

The product is 20.

STEP 4: Add 20 to M by pressing + ALPHA M .

The sum of the products is 35.

3. Recall the previous answer.

STEP 1: With the display screen cleared, recall the previous answer

by pressing 2ndF ANS ENTER .

MEMORY USAGE

+–

Basic Keyboard/GENERAL MATHEMATICS USING THE SHARP EL-9900

Press to access the calculation screen.

1. Calculate 152.

STEP 1: Enter 15 by pressing 1 5 .

STEP 2: Square by pressing the x2key.

STEP 3: Calculate by pressing the ENTER key.

The answer is 225.

2. Calculate 34.

STEP 1: Enter 3 by pressing 3 .

STEP 2: Exponentiate by pressing the abkey.

STEP 3: Enter 4 by pressing 4 .

STEP 4: Calculate by pressing the ENTER key.

The answer is 81.

3. Calculate

√

196.

STEP 1: Enter the square root by pressing 2ndF √.

STEP 2: Enter 196 by pressing 1 9 6 .

STEP 3: Calculate by pressing the ENTER key.

The answer is 14.

POWERS AND ROOTS

+–

Basic Keyboard/GENERAL MATHEMATICS USING THE SHARP EL-9900

Press to access the calculation screen.

1. Find log 3.

STEP 1: Enter log by pressing MATH A 4 .

STEP 2: Enter 3 by pressing the 3 key.

STEP 3: Calculate by pressing the ENTER key.

The answer is 0.4771.

2. Find 10(3÷4).

STEP 1: Enter 10 by pressing MATH A 5 .

STEP 2: Enter (3 ÷ 4) by pressing 3 ÷ 4 .

STEP 3: Calculate by pressing the ENTER key.

The answer is 5.6234.

LOGARITHMS AND EXPONENTIALS

+–

Basic Keyboard/GENERAL MATHEMATICS USING THE SHARP EL-9900

The definitions of the trigonometric functions with regard to the right triangle

can be used to find distances between points. The sine function is defined to be

opposite side/hypotenuse, the cosine function is adjacent side/hypotenuse, and

the tangent function is opposite side/adjacent side.

Put the calclator in degree mode by pressing 2ndF SETUP B 1 .

1. Find sin 30°.

STEP 1: Press to access the calculation screen.

STEP 2: Enter sin 30 by pressing MATH Α 1 3 0 .

STEP 3: Calculate by pressing the ENTER key.

The answer is 0.5.

2. Find 3cos 20°.

STEP 1: Enter 3 cos 20 by pressing 3 MATH Α 22 0 .

STEP 2: Calculate by pressing the ENTER key.

The answer is 2.819

3. Find tan 50°.

STEP 1: Enter tan 50 by pressing MATH Α 3 5 0 .

STEP 2: Calculate by pressing the ENTER key.

The answer is 1.19.

Remember that cotangent = 1/tangent, secant = 1/cosine, and

cosecant = 1/sine.

TRIGONOMETRIC FUNCTIONS

+–

hypotenuse opposite side

adjacent side

Andere Handbücher für EL9900C - Graphing Calc With 2 Sided Keypad Lrg 22 CHAR/8 Line Display...

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