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Casio FX-82AU PLUS manual Using the Casio fx-82AU Plus Scientific Calculator

Models: FX-82AU PLUS

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Using the Casio fx-82AU PLUS

Scientific Calculator

Techniques and activities

The pages and activities included in this publication may be copied for classroom use.

Page 1

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Casio FX-82AU PLUS manual Using the Casio fx-82AU Plus Scientific Calculator

Contents

Using the Casio fx-82AU Plus Scientific Calculator Publishing information Contents Comp calculations menus Getting startedSetting the calculator to degrees or radians Set up informationSetting decimal places and scientific notation Fractions in the Math mode Fractions in the Line modeFractions and decimals Answers in different formsReciprocals Simplifying fractionsFractional indices Negative, fractional indices Powers, math mode and bracketsDetermining powers Powers and rootsUsing the M feature Determining rootsTrigonometry Using inverse trigEntering trigonometric expressions Degrees, minutes and secondsChanging radians into degrees or degrees into radians Changing a decimal to degrees, minutes and secondsRadians to degrees Degrees to radiansTurning frequency on or off Statistics menuStep ExampleStandard deviation Continuing with the example from the previous MeanRandom number function Using Ran#Random number formulas RanInt functionUsing values stored in A, B, C, D, X or Y Using the memoriesIndependent memory M Storing values in A, B, C, D, X or YTips and hints Calculator is using a comma in place of a decimal point Trouble shootingAnswers to fractions calculations are improper fractions Calculator is frozen 375 AnswersF 2 G 45% 79% 245% 1000% 120.5%075 025 F 205 J 93.75 $84 84.375 $140.25114 2536 Working with fractions11 8.55 Remember Fix, scientific notation and norm16 − Roots and exponents121 76 D 216 728 D 128 152 73 D 6 C 1.3 D 6A7 25 D383 Cosθ = Tanθ = Sinθ = Check your calculator settingsTanα = Sinα = Cosα = 28 0 D 51 0 E 66 0 F 49Button pressing sequence for statistics is on pages 12 to StatisticsScores Frequency Scores Frequencies Answers+ 8.1 × 12.7 + 3 + + 8.1 ÷ + π 12 − π × π × 4.3Right hand screen has a value stored in the memory 116.18Express your answer Degrees ⇔ RadiansCorrect to 3 decimal places 9sin0.7 c5A 2 B Logs, natural logs and e90×10−4 9 Australia and New Zealand joined the First World War1 GallipoliClass Frequency Want to know more? Waiting time investigation Simulation Playing dice simulationGame rules Subtracting dice BingoWhat you have to do