Casio fx-100AU PLUS- Manuals

© Sue Thomson and Shriro This page may be photocopied for non-commercial use. Page 5 Fractions and decimals The key strokes for fractions are slightly different in the MthIO than in the LineIO mode. Fractions in the LineIO mode Use the a button to enter any expression involving a fraction. You need ...

© Sue Thomson and Shriro This page may be photocopied for non-commercial use. Page 6 Reciprocals The u button will display a fraction’s reciprocal. To display the reciprocal of 1⅔ enter the fraction and press = followed by u= . Then Fractional indices The fraction button can be used as an index. or ...

© Sue Thomson and Shriro This page may be photocopied for non-commercial use. Page 7 Square and other roots The calculator has inbuilt buttons for square and cube root as well as a button for any root. Examples The button sequence s5= determines the value of √5. The button sequence to calculate the ...

© Sue Thomson and Shriro This page may be photocopied for non-commercial use. Page 8 Prime factorization Mode: 1 Computation Method: Two steps are required. Enter the number to be factorized and press equals. Then activate factor. Example To express 6480 as a product of its prime factors press 6480=...

© Sue Thomson and Shriro This page may be photocopied for non-commercial use. Page 9 Degrees, minutes and seconds The x button is used to enter degrees, minutes and seconds. To enter 52 o 36’ 12” press 52x36x12x Expressing a decimal in degrees, minutes and seconds This process is slightly different ...

© Sue Thomson and Shriro This page may be photocopied for non-commercial use. Page 10 Converting between degrees and radians When you are converting angle types you MUST have the calculator set to the type of angle you are converting INTO. Example Change 1.2 radians into degrees. Set the calculator ...

© Sue Thomson and Shriro This page may be photocopied for non-commercial use. Page 11 The statistics menu Mode: 2 STAT (fx-82AU PLUS II) 3 STAT (fx-100AU PLUS) After you have selected the mode for statistics the following screen will be displayed. Menu 1 is for 1 variable statistics. The remaining m...

© Sue Thomson and Shriro This page may be photocopied for non-commercial use. Page 12 Press 1 to turn a frequency column ON or 2 to turn the frequency column OFF. Example Find the summary statistics for the following set of scores: 4, 6, 2, 8, 3, 9, 12, 6, 4 and 5. Step 1 Set the calculator to the S...

© Sue Thomson and Shriro This page may be photocopied for non-commercial use. Page 13 Var: provides information about the number of scores, mean, standard and sample standard deviation Minmax: provides information about the minimum and maximum scores, the median as well as the upper and lower quarti...

© Sue Thomson and Shriro This page may be photocopied for non-commercial use. Page 14 Using the memories The calculator has an independent memory that can store the result of a calculation. In addition the fx82AU PLUS II has six pronumerals A, B, C, D X and Y which may be assigned values. The fx100A...

© Sue Thomson and Shriro This page may be photocopied for non-commercial use. Page 15 Verify Mode The verify mode enables students to develop mathematical concepts, for example order of operations, manipulating inequalities and checking exact trigonometric values. This use of this mode is further il...

© Sue Thomson and Shriro This page may be photocopied for non-commercial use. Page 16 Converting between polar and rectangular coordinates Mode: Computation Method: Press the button for how you would like the point expressed, not the form it is currently. That is, press polar (pol) or rectangular (r...

© Sue Thomson and Shriro This page may be photocopied for non-commercial use. Page 17 Using the last answer Mode: Computation Method: When the M button is pressed the calculator inserts the value of the previous answer. Example The two following screen shots show the result of the button sequence; 1...

© Sue Thomson and Shriro This page may be photocopied for non-commercial use. Page 18 The percentage key Mode: Computation Method: To enter a percentage, for example 7.5% enter 7.5 followed by the percent key. Example Calculate 7.5% of 315. 7.5q(O315= Random number simulations Random number simulati...

© Sue Thomson and Shriro This page may be photocopied for non-commercial use. Page 19 Features unique to the fx-100AU PLUS Vectors Mode: 6 Vector The vector menu performs calculations with two and three dimensional vectors. Method: The vector menu involves two stages. First enter the details of up t...

© Sue Thomson and Shriro This page may be photocopied for non-commercial use. Page 20 Calculations in different bases Mode: 4 for Base-n Method : Press the key corresponding to the base. Simply perform calculations in the base by entering values in the specified base and the answer will be in the sa...

© Sue Thomson and Shriro This page may be photocopied for non-commercial use. Page 21 Metric Conversions The metric conversion function converts between metric and non-metric units of measure. Mode: All modes except Base-n. Method: Press AC. Enter the size of the unit to be converted. Access the con...

© Sue Thomson and Shriro This page may be photocopied for non-commercial use. Page 22 Complex numbers Mode: 2 CMPLX Method : Press qb to enter i . Examples The screen below shows other possibilities in the complex number mode Calculating the argument of a complex number Expressing a number in a + ib...

© Sue Thomson and Shriro This page may be photocopied for non-commercial use. Page 24 Trouble shooting The calculator is displaying a comma instead of a decimal point Solution : In ‘display’ “comma” has been selected instead of “dot”. In the computation mode press qwR then select Disp which is 4 on ...