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TheSharpEL-W506

Everything you need to know that your calculator does Modes

0: Normal Used for calculations such as differentiation, summing and integration.

1: Stat Easy to use statistics mode

2: Drill Practice your mental maths!

3: Complex numbers Calculate conjugates, change between polar and rectangular coordinates, and so on.

4: Matrix Matrix calculations including derivative, transpose and inverse of up to 4 x 4 matrices.

5: List Input data and use mode to sort data in ascending or descending order, find the mean and standard deviation.

6: Equation Solve quadratic and cubic equations, as well as simultaneous equations.

Press and the number of the mode you want to go to.

0: Normal Mode

Displays equations in

writeview(i.e. just like the textbook).

Solves equations

Integrates and differentiates

Does 44 different conversions

and has 52 constants

Shortcut for Class marks

If you want to convert

between the total of your test or exam to another total.

E.g. If you have an test out of

40 and want to work out

percentages.

You are converting from 40 to

100
Marks

Class marks cntd.

Press What you are converting too goes on top (e.g. 100) Press What you are converting FROM goes at the bottom (e.g. 40). Press Type in the first students mark, e.g. 33 and press

Class marks cntd.

To change the mark to a

decimal press the key twice.

Now, without pressing

anything else, just type in your next students mark, e.g.

25 and

Continue to do this, mark

mark until you have finished your class list

Naming your calculator

To have your calculator

display your name when you switch it off:

Press MATH

Choose 5: NAME

Use your up and down arrow

keys to change the letter, and press when you are finished.

When you switch off your

calculator () the message will be displayed.

Integration

To find the definite integral between two points:

Press Type in where the integral starts, press your right or up arrow key. Type in where the integral ends. Press the right or up arrow Type in the expression you want to integrate. Press twice to get an x.

Integration example

To find the integral of

Press

1 3

3

Differentiation

Press

Type in the expression you want

to differentiate.

Remember to press

twice to get an X.

Differentiation Example

To find the derivative of

Press 3 1

σFunction

Press

Type in where you want to start

the sum from.

Press the right arrow key.

Type in where the sum ends.

Press the right arrow key.

Type in the expression you are

summing over. Remember to press twice to get an X.

Summing Example

Press

Press 1

Press 6

2 5

Random Function

Press 7

4 options:

0: RAND Random decimals between 0 and 1 to three decimal places.

1: R-DICE Random numbers between 1 and 6

2: R-COIN Instead of heads and tails we have 0s and 1s.

3: R-INT Random numbers between 0 and 99.

Press to generate the random numbers

Degrees / Radians

Press MODE 0

e.g. 180ι

Press 180

Press

Memory Functions

You have several different memory keys that can be used.

Letter memory keys allow you to save a value to each letter. These are great for doing substitution questions.

ANS memory, saves the last answer to be used in your next calculation. The D-keys save a calculator function for quick access.

Substitution

Use to save a value to a memory key, use to see what value is saved in the memory key.

A = 4, B = -2 and C = 5

Store these values:

4 CNST

2 5

Substitution

Use to call the memory

key in an expression

Now type in the expression:

CNST 3

Last Answer

As a simple example press 3

+ 4 =

Now if we want to use the

answer (in this case 7) in our next calculation we press

E.g. 12 -

D-Keys

Press

To recall the D-key function

press key and continue as normal with the rest of the expression.

Fraction Calculations

E.g. ଵ

Press 1 2

3 3 4

1 25

Press to change between mixed number, improper fraction and decimal notation.

Binary Numbers

Changing from Decimal to

Binary:

E.g. 258 to binary is:

Type in 258

Press

Changing Binary back to

decimal:

Type in 10110

Press Time

Speed, distance, time.

To find time, for example

travel 400km at a speed of

115km/h, how long does it

take? Press 400
115
Time

Leave at 11:42 and arrive at

14:13. How long did it take?

Press 1 4 1 3

1 1 42

Pythagoras

This only works if we are looking for the hypotenuse of a right-angled triangle.

Type in the shorter sides (or x and y values) of the triangle, e.g. our triangle has sides 6 and 8, so we type in 6 then 8.

Now press

This gives us the hypotenuse (r) and the angle (ߠ

Conversions

Hours to seconds:

E.g. 96 hours

Type in 96

Press MATH

4

You can also convert hours to

minutes by choosing 5

Conversions

E.gOunces to grams

23 ounces:

Press 23

CNST

Press until you find

ozĺg

Press 1 3

There are 44 conversions.

Alternative Substitution

Method

Type in any expression, for

Press CNST

3

Then press MATH and choose

1 for ALGB.

Your screen will then display the different variables, type in the value for each variable and press . after each.

The calculator will then calculate the expression with the substituted values. This makes it quick and easy to do multiple substitutions using the same expression.

The example in the calculator screens used A = 9, B = 6 and C = -5.

Solver Function

Solve any equation /

expression equal to zero.

E.g. Ͳൌݔെ͵Ͳ൅ଵ

Type in the expression:

3 0

1 2

Now press MATH and 2 for SOLVER.

You should see Start on your screen (you can choose any value I normally start with 0) and then press

Next you will see dx? (The accuracy of the answer the more decimal places the more accurate). Leave as is for now, so press

1: Statistics

0: SD Single data or univariate data calculations

1: LINE Linear regression calculations, including finding the regression line variables.

2: QUAD Can be used as a short cut to find the second-common difference pattern equation.

3 7 Modes that are not used in high school.

0: SD Single data

To input data: type in the data

value and then press the button. E.g. press 56

To type in a data value with a

frequency, type in the data value, press , type in the frequency value and then press . E.g. 36 3

Example:

Thandogets the following marks for her maths tests: 78, 45, 63, 88, 63, 49, 80 First make sure there is no previous data by pressing

Type in the marks:

78
45

63 2

88
49
80

To find the mean:

To find the standard deviation:

To find the number of

observations:

To find the sum of all the

observations:

1: LINE ݕൌܽ൅ܾ

To input your data pairs, type

in the first value (or x- coordinate), press . Type in your second value (or y- coordinate) and then press

If you want to include a

frequency as well, press after the y-value, type in the frequency and then press

Example:

x12345 y711151923

To input each pair press:

17

2 11

3 15

4 19

5 23

Find the mean, standard

deviation, sums as you did for the single data.

To find the regression line

variables: a ĺ b ĺ

To find regression coefficient

r ĺ

2: Quad ݕൌܽ൅ܾݔ൅ܿ

Example: Given the following

quadratic pattern:

1, 3, 7, 13

Your position is your x-value

and your term-value is your- value. Input the x-value first, press , type in the term value and press

E.g. 1 1 , 2 3

and so on

Dont forget to

clear your old data by pressing

To find the values of the

coefficients press (y-intercept) (x-coefficient) (x2-coefficient)

If given x = 12, find y by

pressing 12

If given y = 13, find x by

pressing

The different distributions are

shown alongside.

P(t) finds the area under a

normal curve from negative infinity to t.

Q(t) finds the area under a

normal curve between 0 and t

R(t) finds the area under a

normal curve between t and positive infinity.

Probability DistributionFunctions

To calculate a t-value, type in

the observation, press MATH and choose 1 for ĺt.

Store this value in a memory

key for easy access.

To find the P-value press

MATH and choose 2, type in

the z-value and

To calculate the Q-value,

press MATH and choose 3, type in the t-value (or use your memory key) and press

To calculate the R-value,

press MATH and choose 4 type in the t-value (or use your memory key) and press

2: Drill

Practice your mental maths

using drill mode.

0: MATH tests addition,

subtraction, multiplication and division through 25, 50 or

100 questions.

1: TABLE tests particular

multiplication tables between

1 and 12, in order, or

randomly.

0: MATH

Use your and

arrow keys to choose between 25, 50 or 100 questions.

Use your and

arrow keys to choose the type of question you want to do.

1: TABLE

Use your and

arrow keys to choose the particular times table between

1 and 12 you want to practice.

Use your and

arrow keys to choose between Serial (in order) or

Random.

For both Math and Table

Once you have made your selection, press

If you get the question right, you will get a tick and a new question. If you get the question wrong, it will be marked incorrect, and the same question will be repeated. At the end of the drill, you will be able to see your mark and percentage.

3: Complex Numbers

Calculations can be done using

two different representations:

The rectangular coordinate system.

The polar coordinate system.

You can convert between the

two representations by using the . and or buttons.

To input the iinto an

expression press

To input the hypotenuse and

angle, type in r, press and then type in the angle.

To find the conjugate pair of a

number press MATH and choose 1 and type in the complex number in either format.

4: Matrices

Can input up to 4 x 4

matrices.

To input a matrix press MATH

and choose 2: EDIT.

Choose size of matrix by

typing in the number of rows and columns and then press . when you are done.

Type in each value and press

. after each one.

Once your matrix is complete

press .

To store this matrix, press MATH

and then 4: STORE, and choose a matrix name you want to store it in (e.g. 0: matA).

Shortcut tip: Save the name of

the matrix into your D-key for easy and quick calculations.

Press MATH choose

1 and the matrix you want to store.

Example

Save matrix A into D1, press:

MATH , 1 and 0.

Save matrix B into D2, press:

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