Casio FX-82AU PLUS manual Tips and hints

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Tips and hints!

Using brackets

It is not necessary to enter the final bracket.

Scrolling through previous entries

When there is a small up Eor down Rarrow displayed in the window you can review previous entries and answers by scrolling up or down using the top or bottom of the replay button.

Setting the calculator back to the factory settings

The second function on 9 allows you to clear memories and reset the calculator if required. When you press SHIFT9the following screen will be displayed.

Press the number corresponding to your required action then follow the screen prompts.

Editing a calculation

Use the left or right side of the replay button to position the cursor. Pressing the

okey will delete the entry immediately to the left of the cursor. If you want to insert a digit or operation, use the round replay button to position the cursor then press the required button. An ‘insert‛ function is available as the second function on o should it be required.

Order of operations

This calculator ‘knows‛ sophisticated order of operations. In addition to the usual order of operations this calculator ‘knows‛ that in expressions like 8 ÷ 2π or 8 ÷ 22 the correct order is 8 ÷ (2π) and 8 ÷ (22). It is not necessary to include the brackets in the key strokes.

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Contents Using the Casio fx-82AU Plus Scientific Calculator Publishing information Contents Comp calculations menus Getting startedSetting decimal places and scientific notation Set up informationSetting the calculator to degrees or radians Fractions in the Math mode Fractions in the Line modeFractions and decimals Answers in different formsFractional indices Simplifying fractionsReciprocals 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 Answers to fractions calculations are improper fractions Trouble shootingCalculator is using a comma in place of a decimal point Calculator is frozen 375 AnswersF 2 G 45% 79% 245% 1000% 120.5%075 025 F 205 J 93.75 $84 84.375 $140.2511 8.55 Working with fractions114 2536 Remember Fix, scientific notation and norm121 76 D 216 728 D 128 152 73 D 6 C 1.3 D 6A7 25 D383 Roots and exponents16 − 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 c90×10−4 9 Logs, natural logs and e5A 2 B Class Frequency GallipoliAustralia and New Zealand joined the First World War1 Want to know more? Waiting time investigation Simulation Playing dice simulationWhat you have to do Subtracting dice BingoGame rules

FX-82AU PLUS specifications

The Casio FX-82AU PLUS is a powerful scientific calculator designed specifically for students and professionals alike who require advanced mathematical functions and features. Renowned for its reliability and user-friendly interface, this calculator has become a staple in classrooms and workplaces around the globe.

One of the standout features of the Casio FX-82AU PLUS is its extensive range of functions. The calculator supports over 250 functions, making it capable of handling a variety of tasks in mathematics, physics, and engineering. These functions include everything from basic arithmetic operations to more complex calculations such as trigonometry, statistics, and calculus. This versatility makes it an ideal choice for high school students, university undergraduates, and professionals.

The FX-82AU PLUS boasts a natural textbook display, which allows users to view expressions and results in a format similar to how they appear in textbooks. This feature enhances understanding and reduces errors, making it easier for users to verify their calculations. The calculator also incorporates a two-line display, allowing users to see both the input and result simultaneously, fostering a seamless calculation experience.

Additionally, the Casio FX-82AU PLUS is equipped with a quick-function key for calculations, which streamlines the process of obtaining results. This feature, combined with its intuitive layout, enables users to operate the calculator efficiently, whether they are performing statistical analysis or solving complex equations.

Another impressive characteristic of the FX-82AU PLUS is its durability and long battery life. Designed with longevity in mind, it features robust construction that is well-suited for daily use, ensuring that it can withstand the rigors of classroom and fieldwork. The calculator is powered by a solar rechargeable battery combined with a backup battery, meaning users can rely on it in various lighting conditions, minimizing downtime during critical operations.

In terms of design, the Casio FX-82AU PLUS maintains a compact and lightweight profile, making it portable and convenient for students and professionals who are always on the go. Its ergonomic layout ensures comfort during prolonged use, allowing users to navigate through functions without unnecessary strain.

In summary, the Casio FX-82AU PLUS is more than just a calculator; it is a comprehensive tool that enhances mathematical learning and professional efficiency. Its wide range of functions, natural textbook display, and durable design set it apart as a preferred choice in the scientific calculator category, making it an essential tool for anyone engaged in mathematics or related fields.