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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 
    						
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