Casio FX-82AU PLUS Roots and exponents, 121 76 D 216 728 D 128 152 73 D 6 C 1.3 D 6A7 25 D383

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Roots and exponents

Button procedures for roots and exponents are on pages 7 to 9. Remember that you can use the nbutton to toggle between fractions and decimals if you want your answer in a different form.

1.Use the dbutton to find the value of the following squares.

A 52

B 112

C 2.62

D 4.32

2.Use the „button to calculate the value of the following cubes.

A 23

B 63

C 1.23

D 4.13

3.Use the fbutton to calculate the following quantities.

A 27

B 161.5

C 16−0.5

D 8

2

3

E ( 12 )−5

2

G (12511 )−

1

 

1

 

 

F ( 278 )

3

2

H 16−

× 23

 

2

 

4.Use the s button to find the following roots.

A 2809

B 23104

C 482 + 552 D 652 − 562

 

 

 

 

 

 

E 62 − 4×1× 8

F 432 − 4× 6× 55

5.Use the SHIFT then fbuttons to find the value of the following roots. Express each answer correct to one decimal place.

A 4 700

B 5 620

C 8 11

D 4 32 + 53

6.Express the following values as whole numbers or mixed numerals.

A (1

 

)5

B

 

 

 

C ( 51 )−2

D (

4

)−

3

1

2

7

 

 

2

2

9

9

Answers

 

 

 

 

 

 

 

 

 

 

 

1A

25

B 121

C 6.76 D 18.49

 

2A 8

B 216

C 1.728 D 68.921

3A

128

B 64

C

1

D 4

E 32

F

9

 

G

5

H 2

 

4

4

6

 

4A

53

B 152

C 73 D 33

E 2

F 23

5A 5.1

B 3.6 C 1.3 D 3.4

6A7 1932

B 1

2

 

C 25 D383

 

 

 

 

 

 

 

3

 

 

 

 

 

 

 

© 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 Getting started Comp calculations menusSet up information Setting the calculator to degrees or radiansSetting decimal places and scientific notation Fractions in the Line mode Fractions in the Math modeFractions and decimals Answers in different formsSimplifying fractions ReciprocalsFractional indices Powers, math mode and brackets Negative, fractional indicesPowers and roots Determining powersUsing the M feature Determining rootsUsing inverse trig TrigonometryEntering trigonometric expressions Degrees, minutes and secondsChanging a decimal to degrees, minutes and seconds Changing radians into degrees or degrees into radiansRadians to degrees Degrees to radiansStatistics menu Turning frequency on or offExample StepContinuing with the example from the previous Mean Standard deviationUsing Ran# Random number functionRandom number formulas RanInt functionUsing the memories Using values stored in A, B, C, D, X or YIndependent memory M Storing values in A, B, C, D, X or YTips and hints Trouble shooting Calculator is using a comma in place of a decimal pointAnswers to fractions calculations are improper fractions Calculator is frozen Answers 37545% 79% 245% 1000% 120.5% F 2 G075 025 F 205 J 93.75 $84 84.375 $140.25Working with fractions 114 253611 8.55 Fix, scientific notation and norm RememberRoots and exponents 16 −121 76 D 216 728 D 128 152 73 D 6 C 1.3 D 6A7 25 D383 Check your calculator settings Cosθ = Tanθ = Sinθ =Tanα = Sinα = Cosα = 28 0 D 51 0 E 66 0 F 49Statistics Button pressing sequence for statistics is on pages 12 toScores Frequency Scores Frequencies Answers+ π 12 − π × π × 4.3 + 8.1 × 12.7 + 3 + + 8.1 ÷Right hand screen has a value stored in the memory 116.18Degrees ⇔ Radians Express your answerCorrect to 3 decimal places 9sin0.7 cLogs, natural logs and e 5A 2 B90×10−4 9 Gallipoli Australia and New Zealand joined the First World War1Class Frequency Want to know more? Waiting time investigation Playing dice simulation SimulationSubtracting dice Bingo Game rulesWhat you have to do

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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