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CASIO fx-82TL
UNIVERSITY OF SOUTHERN QUEENSLAND
The Learning Centre | Learning and Teaching Support Unit

MASTERING THE
CALCULATOR USING THE
CASIO fx-82TL
Learning and Teaching Support Unit (LTSU)
The Learning Centre

Guide book

Published by
University of Southern Queensland
Toowoomba Queensland 4350
Australia
http://www.usq.edu.au
©

University of Southern Queensland,2006.1.

Copyrighted materials reproduced herein are used under the provisions of the Copyright Act 1968 as amended, or
as a result of application to the copyright owner.
No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any
means electronic, mechanical, photocopying, recording or otherwise without prior permission.
Produced by theDistance and e-Learning Centre using FrameMaker7.1 on a Pentium workstation.

TABLE OF
CONTENTS
PAGE
Introduction

1

A word about starting out

2

1.

Addition and subtraction

3

2.

Multiplication and division

7

3.

Brackets

9

4.

Powers

10

5.

Fractions

16

6.

Using the x-1 key

18

7.

Scientific notation

19

8.

Factorial x!

219.

Using memory

22

10.

Statistics

24

11.

Linear regression

30

12.

Trigonometric functions

33

13.

Exponential and logarithmic functions

35

14.

Degrees, minutes, seconds

37

Review calculator exercises

39

Calculator solutions

40

M astering the Calculator using the Casio f x -82TL

Introduction
This is one in a series ofbooklets prepared to assist students who are learning to use a
calculator. They have been prepared by staff in The Learning Centre from Learning and
Teaching Support Unit (LTSU) at USQ. The series comprises:
Mastering the calculator









Using the Casio fx-100s (also suitable for Casio fx-570)
Using the Casio fx-100AU
Using the Casio fx-82LB
Using the Casio fx-82TL
Using theCasio fx-82MS
Using the Sharp EL-531LH
Using the Sharp EL-556L
Using the Sharp EL-531RH

The instructions in this booklet only explain some of the keys available on your calculator
necessary for basic work in data manipulation. If you require more assistance please contact
The Learning Centre. If you would like information about other support services available
from The Learning Centre,please contact
The Learning Centre (TLC)
Learning and Teaching Support Unit (LTSU), S-Block
The University of Southern Queensland
Telephone: 07 4631 2751
Email: tlc@usq.edu.au
Fax: 07 4631 1801
Home page: http://www.usq.edu.au/ltsu

1

2

M astering the Calculator using the Casio f x -82TL

A word about starting out
• Make sure you are in the correct mode selection and that allprevious data is cleared.
• For e.g. To perform arithmetic operations press
• To clear all values press
• To clear memory press
• If your calculator has FIX or SCI on the display press

three times

appears on the screen
press 3 then 2 so you are in Normal mode.

• If your calculator has RAD or GRAD on the display press

appears on the screen
press 1 so you are in Degree mode.

twice M astering the Calculator using the Casio f x -82TL

1.

Addition and subtraction

1.1 To add numbers

addition key

Find the

key

(it is shown on the photograph of the calculator here).
Example
To add 7 and 3, type

The display should read 10
Example
I want to find the total amount I earned in the past four weeks. If I earned $471, $575, $471
and $528, the key strokeswould be

The display should read 2045.

3

4

M astering the Calculator using the Casio f x -82TL

1.2 Sometimes you make an error when typing in a number
If this happens use the

key to cancel the number and then type in the correct number

and continue.
Example
If you want to enter 3 + 4 but accidentally type
press

to cancel the 5.

Now type
Example
If I want to add 471...
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