Sharp WriteView EL-W506, Manual

Page 1: ...The Sharp EL W506 Everything you need to know that your calculator does ...

Page 2: ...ange 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 ...

Page 3: ...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 ...

Page 4: ...tcut 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 ...

Page 5: ...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 student s mark e g 33 and press ...

Page 6: ...s cntd To change the mark to a decimal press the key twice Now without pressing anything else just type in your next student s mark e g 25 and Continue to do this mark mark until you have finished your class list ...

Page 7: ...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 ...

Page 8: ... When you switch off your calculator the message will be displayed ...

Page 9: ...te 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 ...

Page 10: ...Integration example To find the integral of 𝑥2 3𝑥 between 𝑥 1 and 𝑥 3 Press 1 3 3 ...

Page 11: ...Differentiation Press Type in the expression you want to differentiate Remember to press twice to get an X ...

Page 12: ...Differentiation Example To find the derivative of 𝑥2 3𝑥 at 𝑥 1 Press 3 1 ...

Page 13: ...n 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 ...

Page 14: ...Summing Example Given σ1 6 𝑥2 2𝑥 5 Press Press 1 Press 6 2 5 ...

Page 15: ...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 0 s and 1 s 3 R INT Random numbers between 0 and 99 Press to generate the random numbers ...

Page 16: ...Degrees Radians Press MODE 0 e g 180 Press 180 Press ...

Page 17: ...eys 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 ...

Page 18: ...Substitution Use to save a value to a memory key use to see what value is saved in the memory key E g 𝐴2 3𝐵 𝐶 A 4 B 2 and C 5 Store these values 4 CNST 2 5 ...

Page 19: ...Substitution Use to call the memory key in an expression Now type in the expression E g 𝐴2 3𝐵 𝐶 CNST 3 ...

Page 20: ...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 ...

Page 21: ...D Keys Press To recall the D key function press key and continue as normal with the rest of the expression ...

Page 22: ...Fraction Calculations E g 1 2 3 3 4 1 25 Press 1 2 3 3 4 1 25 Press to change between mixed number improper fraction and decimal notation ...

Page 23: ...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 ...

Page 24: ...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 ...

Page 25: ...Time Leave at 11 42 and arrive at 14 13 How long did it take Press 1 4 1 3 1 1 42 ...

Page 26: ...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 𝜃 the hypotenuse makes with the base ...

Page 27: ...Conversions Hours to seconds E g 96 hours Type in 96 Press MATH 4 You can also convert hours to minutes by choosing 5 ...

Page 28: ...Conversions E g Ounces to grams 23 ounces Press 23 CNST Press until you find oz g Press 1 3 There are 44 conversions ...

Page 29: ...Alternative Substitution Method Type in any expression for example 𝐴2 3𝐵 𝐶 Press CNST 3 Then press MATH and choose 1 for ALGB ...

Page 30: ...e 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 ...

Page 31: ...Solver Function Solve any equation expression equal to zero E g 0 sin 𝑥 30 1 2 Type in the expression 3 0 1 2 ...

Page 32: ... 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 ...

Page 33: ...riate 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 ...

Page 34: ...ingle 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 ...

Page 35: ...Example Thando gets 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 ...

Page 36: ... To find the mean To find the standard deviation To find the number of observations To find the sum of all the observations ...

Page 37: ... 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 ...

Page 38: ...Example x 1 2 3 4 5 y 7 11 15 19 23 To input each pair press 1 7 2 11 3 15 4 19 5 23 ...

Page 39: ... Find the mean standard deviation sums as you did for the single data To find the regression line variables a b To find regression coefficient r ...

Page 40: ...e 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 Don t forget to clear your old data by pressing ...

Page 41: ... 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 ...

Page 42: ...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 Distribution Functions ...

Page 43: ...o calculate a t value type in the observation press MATH and choose 1 for t Store this value in a memory key for easy access 𝑡 𝑥 ҧ 𝑥 𝜎𝑥 To find the P value press MATH and choose 2 type in the z value and ...

Page 44: ...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 ...

Page 45: ...ce 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 ...

Page 46: ...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 ...

Page 47: ...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 ...

Page 48: ...lection 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 ...

Page 49: ...ex 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 ...

Page 50: ... i into 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 ...

Page 51: ...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 ...

Page 52: ...re 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 ...

Page 53: ...Example Save matrix A into D1 press MATH 1 and 0 Save matrix B into D2 press D2 MATH 1 and 1 Input matrix A 2 x 2 Press MATH and 2 3 5 4 1 ...

Page 54: ... Store A press MATH and 4 Choose 0 Input matrix B 2 x 3 MATH and 2 Press 2 and then 3 Press 7 4 5 8 12 1 Store Matrix B by pressing MATH and 4 Choose 1 ...

Page 55: ...o find the determinant of matrix A MATH and choose 6 Then press 0 Press D1 if you saved the shortcut or to recall a matrix press MATH 1 and then the number of the matrix e g 0 To find the inverse Call the matrix e g D1 Press 2 ...

Page 56: ...d subtract and multiply two matrices as you would any normal numbers except you would call each matrix through the D keys or through the MATH menu To find the transpose of a matrix press MATH 6 and choose 1 then input your matrix name ...

Page 57: ...values per list and up to 4 different lists To input data press MATH 2 for EDIT and then choose your list 1 16 Press Input each data item and press after each one To store the list press MATH and choose 4 for STORE choose a list to store it in 0 3 ...

Page 58: ... list in ascending or descending order Press MATH and 5 Choose 0 to sort in ascending order Or 1 to sort in descending order Press MATH and 6 Choose between the minimum 0 maximum 1 mean 2 median 3 sum 4 standard deviation 6 and variance 7 ...

Page 59: ...Vectors You can also calculate the inner and outer product of two lists or vectors Save two vectors Press MATH and 2 3 and 4 7 9 Press MATH 4 and choose L1 press 0 ...

Page 60: ...o find the outer product Press MATH and choose 6 Press 8 Call the first by pressing MATH 1 and then 0 Press Call the second list by pressing MATH 1 and then 1 Press To calculate the inner product press MATH 6 and then choose 9 continue as you did with the outer product ...

Page 61: ...s equations with 2 variables 𝑎1𝑥 𝑏1𝑦 𝑐1 𝑎2𝑥 𝑏2𝑦 𝑐2 1 3 VLE Simultaneous equations with 3 variables 𝑎1𝑥 𝑏1𝑦 𝑐1𝑧 𝑑1 𝑎2𝑥 𝑏2𝑦 𝑐2𝑧 𝑑2 𝑎3𝑥 𝑏3𝑦 𝑐3𝑧 𝑑3 To solve either of these types of questions type in the values of each coefficient and press after each one ...

Page 62: ... 2 Quad A quadratic equation 𝑎𝑥2 𝑏𝑥 𝑐 0 3 Cubic A cubic equation 𝑎𝑥3 𝑏𝑥2 𝑐𝑥 𝑑 0 Again to solve type in each coefficient and press after each one ...

Page 63: ...Cubic Equation Press MODE 6 3 For Cubic 𝑦 3𝑥3 4𝑥2 7𝑥 8 a 3 b 4 c 7 d 8 ...

Page 64: ...k you Check out www mathsatsharp co za If you have any questions suggestions or ideas please contact us via mathsatsharp Seartec co za or 011 405 7400 and ask for Tal And don t forget to like us on Facebook ...