Casio FX-82AU PLUS manual Fix, scientific notation and norm, Remember

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Fix, scientific notation and norm

Remember!

When you want to cancel fix or scientific notation choose Norm2. Refer to page 5 for fix and scientific notation procedures.

1.Express 65 123 in scientific notation with 2 significant figures.

2.Express 6.8×103 without using scientific notation. (Hint! Press 6.8 OK3 then set the calculator to Norm2.)

3.Express 3.25×106 without using scientific notation.

4.Write 4.6349 correct to 2 decimal places.

5.Determine the value of 16.8731 correct to 1 decimal place.

6.Find the value of 175 correct to 2 decimal places.

7.Calculate the value of 8.61×102 × 9.356×103 in scientific notation with two significant figures.

8.What is the value of 8.3× 2.5? Express your answer as a decimal.

9.Find the value of (11.75)2 correct to two decimal places.

10.What is the value of 4.1×105 ÷ (8.75×104 ) correct to the nearest whole number?

11.The calculation (1.07)3 ×$1260 gives the value of an investment in 3 years time.

Calculate the value of the investment in 3 years time correct to the nearest cent.

12.Calculate the value of 2π rh when r = 17.6 and h = 11.8. Express your answer correct to 1 decimal place.

13.The screen capture shows a calculation.

AHow do you know the calculator is set in scientific notation, not Norm1 or 2?

BHow many significant figures is the calculator set to display?

CExpress the answer without any rounding or scientific notation.

Answers

 

 

 

 

 

 

 

1

6.5×104

2 6800

3 3 250 000

 

4 4.63

5 16.9

6 13.23 7 8.1×106

8

20.75

9 138.06

10 5

11

$1543.55

12 1304.9

 

13 A SCI is at the top of the screen

B 2

C 31 102 015

 

© Sue Thomson and Shriro Australia PTY Limited. This page may be photocopied for classroom use.

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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 Answers in different forms Fractions in the Line modeFractions in the Math mode Fractions and decimalsFractional indices Simplifying fractionsReciprocals Negative, fractional indices Powers, math mode and bracketsDetermining roots Powers and rootsDetermining powers Using the M featureDegrees, minutes and seconds Using inverse trigTrigonometry Entering trigonometric expressionsDegrees to radians Changing a decimal to degrees, minutes and secondsChanging radians into degrees or degrees into radians Radians to degreesTurning frequency on or off Statistics menuStep ExampleStandard deviation Continuing with the example from the previous MeanRanInt function Using Ran#Random number function Random number formulasStoring values in A, B, C, D, X or Y Using the memoriesUsing values stored in A, B, C, D, X or Y Independent memory MTips 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 Answers$140.25 45% 79% 245% 1000% 120.5%F 2 G 075 025 F 205 J 93.75 $84 84.37511 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 − 28 0 D 51 0 E 66 0 F 49 Check your calculator settingsCosθ = Tanθ = Sinθ = Tanα = Sinα = Cosα =Scores Frequencies Answers StatisticsButton pressing sequence for statistics is on pages 12 to Scores Frequency116.18 + π 12 − π × π × 4.3+ 8.1 × 12.7 + 3 + + 8.1 ÷ Right hand screen has a value stored in the memory9sin0.7 c Degrees ⇔ RadiansExpress your answer Correct to 3 decimal places90×10−4 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.
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