Casio Fx82LB Manual
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C A S I O f x - 8 2 L B UNIVERSITY OF SOUTHERN QUEENSLAND The Learning Centre | Learning and Teaching Support Unit
MASTERING THE CALCULATOR USING THE CASIO fx-82LB Learning and Teaching Support Unit (LTSU) The Learning Centre Guide book Written by Linda Galligan
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 the Distance and e-Learning Centre using FrameMaker7.1 on a Pentium workstation
TABLE OF CONTENTS PA G E Introduction 1 1. A word about starting out2 2. Addition and subtraction3 3. Multiplication and division6 4. Brackets8 5. Powers10 6. Fractions15 7. Scientific notation17 8. Using the 1/x key 19 9. Factorial x!20 10. Using memory21 11. Statistics23 12. Trigonometric functions29 13. Exponential and logarithmic functions31 14. Degrees, minutes, seconds33 Review Calculator Exercises 35 Calculator Solutions 37
Mastering the calculator using the Casiofx-82LB 1 Introduction This is one in a series of booklets 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 Casio fx-100AU (suitable for 82MS) Using the Casio fx-100s (also suitable for Casio fx-570) Using the Casio fx-82LB Using the Casio fx-82TL 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: [email protected] Fax: 07 4631 1801 Home page: http://www.usq.edu.au/ltsu
2 Mastering the calculator using the Casiofx-82LB 1. A word about starting out Make sure you are in the correct mode selection and that all previous 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 If your calculator has RAD or GRAD on the display, press (You may have RAD or GRA instead of DEG. It doesn’t matter which one you have for any ordinary calculations.) Now your calculator should only have this displayed on the screen
Mastering the calculator using the Casiofx-82LB 3 2. Addition and subtraction 2.1 To add numbers 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 strokes would be The display should read 2045. addition key
4 Mastering the calculator using the Casiofx-82LB 2.2 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 and 575 but I typed I can cancel 576 by typing and then typing The display should read 1 046. Try practising cancelling with the key until you are comfortable with its use.
Mastering the calculator using the Casiofx-82LB 5 2.3 To subtract numbers Find the key (it is shown on the photograph of the calculator following). Example To subtract 35 from 257, type The display should read 222 Example 348 – 24 – 19 The keystrokes are The display should read 305. Sometimes you may have a sum like this: -7 + 4 plus/minus key subtraction key