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Everything you need to know that your calculator does

Содержание WriteView EL-W506

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

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

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

Страница 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 ...

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

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

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

Страница 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 ...

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

Страница 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 ...

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

Страница 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 ...

Страница 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 ...

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

Страница 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 ...

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

Страница 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 ...

Страница 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 ...

Страница 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 ...

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

Страница 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 ...

Страница 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 ...

Страница 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 ...

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

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

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

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

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

Страница 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 ...

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