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Sharp El 9400 User Guide

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    							Graphing Calculator
    EL-9400
    TEACHERS’ GUIDE 
    						
    							Built-in slide shows
    Educational tools
    (OHP/PC-link/Data collection)
    Shift/Change function
    Equation editor
    Split displayLarge display
    Rapid graph
    Rapid window
    Rapid zoom
    Easy to Teach
    Easy to LearnEasy to Use
    Introduction
    ContentsSales points  P 1
    Basic operation  P 2
    Equation editor   P 4
    Features
    Shift  P 5
    Change  P 6
    Slide show  P 7
    Slide show selections  P 8
    Graphing procedure  P 10
    Rapid graph  P 11
    Rapid window  P 12
    Rapid zoom  P 13System options
    PC-link system P 14
    Set to set communication P 15
    OHP system P 16
    Menu tree 1~6  P 17
    Specifications  P 23
    The EL-9400 was developed to meet the needs of an expanding 
    education market and is based on three concepts: easy to teach, 
    easy to learn and easy to use. The EL-9400 has been designed 
    with simplified operations and time-saving features, allowing 
    teachers to concentrate on actual teaching.
    This manual was designed to introduce teachers to the unique 
    features of the EL-9400 using detailed operation examples. 
    						
    							EL-9400 Graphing Calculator
    1
    Sales points
    Graph Shift/Change shows 
    how changing the graph 
    affects the equation
    Large 96 x 64-dot 
    display
    Slide Shows reduce class 
    preparation time
    Rapid zoom allows easy 
    adjustment of window size
    Rapid graph/Rapid window 
    simplify graphing procedures
    1
    3
    Equation Editor shows 
    equations just as in textbooks
    2
    4
    5
    6 
    						
    							EL-9400 Graphing Calculator
    2
    Basic operation
    Use to enter equations
    Use to draw graphs
    Use to view  table of function value
    Use to set size of viewing window
    Use to adjust the viewing range
    Use to trace graphs
    Use to enter calculation mode
    Use to enter slide show mode
    Use to operate Rapid Graph/Rapid
    Window and Rapid Zoom functions
    Function keys
    Y = 
    EZ
    Names of parts
    Communication port for peripheral devices
    Power off Power on
    CLErase equations and
    remove error displays
    Power ON/OFF
    a a a aaaaaaa a aaaaa
    QUIT
    CLCancel of previous
    function (Escape)aaa
    Graphing keys
    Power supply ON/OFF key
    Alphabet specification key
    Secondary function
    specification key
    1
    2
    3
    4
    5
    6
    7
    8
    9Display screen
    Cursor movement keys
    Clear/Quit key
    Variable enter key
    Calculation execute key
    10 
    						
    							EL-9400 Graphing Calculator
    3
    Reset function
    1) When trouble occurs
    Press 
       to enter the reset mode.
    • Use this function (
    1 or 2 ) to return all
    settings to the default value or to delete all
    data.
    2) All RESET operation
    • If trouble still occurs, proceed as follows:
    1. Press the RESET switch on the back.
    2. Press 
    .
     • Returns to the initial display.
    CAUTION
    Do not press 
    CL in step 2. It will delete all data
    stored in the calculator.
    SET UP menu
    Press  SET UP .
    ¥ Contents displayed on the right side of
    the screen are the current settings.
    Adjusting screen contrast
    • The contrast adjust screen will appear
    when pressing
     .
    Press 
     to lighten contrast.
    Press 
     to darken contrast.
    Basic operation
    Guide to key use
    Press  to use secondary functions (in yellow).
    Press 
     to use the alphabet keys (in blue).
    Example:
    To select “sin”:
    To select “sin
    -1”:
    To select A:There may be differences in the results
    of calculations and graph plotting
    depending on the SET UP settings.
    ]
    ] 
    						
    							EL-9400 Graphing Calculator
    NotesKey OperationDisplay
    Example
    4
    Equation editor
    The equation editor allows equations to be viewed just as they are written in textbooks. This
    increases student comprehension and allows mistakes to be found quickly.
    1
    2
    5
    4
    3
    6Input the equation and see how it can be easily
    viewed with the equation editor.
    CL
    01
    a/b2
    a/b1
    x2
    Clear the display.
    Select CALC and
    Enter the range of the integral.
    Complete equation input.
    Calculate the expression.
    The blinking mark in the upper right
    side of the display indicates the
    expression is being calculated.
    Enter
    (or   6 )
    (or 
      0 7 )
    ]
    ]
    X/T
    X/T
    (Integral function) 
    						
    							EL-9400 Graphing Calculator
    NotesKey OperationDisplay
    Example
    5
    Shift
    Graph shift function helps students grasp the relationship between an equation and its graph.
    Shift the graph’s location without changing its shape, and the change is immediately reflected
    in the equation on the right side of the display.
    When the graph of  y = x2 is shifted downward,
    how does this affect the equation?
    Select the location of the shift:
    move cursor down twice. Enter 
    SHIFT/CHANGE mode.1
    2
    3
    4
    5
    Select shift. Cursor moves to the
    equation menu.
    Select the equation: y = x
    2  and
    draw the graph.
    View the result of the shift.
    SHIFT/CHANGE
    (Change the location of graphs)
    y = x2
    y = x2-2
    Features
    If SHIFT is not already
    highlighted press  .]
    ]
    ]
    ] 
    						
    							EL-9400 Graphing Calculator
    NotesKey OperationDisplay
    Example
    6
    When the graph of y = x2 is changed,
    how does it affect the equation?
    Change
    Graph change function helps students grasp the relationship between an equation and its
    graph. Change the shape of the graph, and the change is immediately reflected in the equation
    on the right side of the display.
    Enter SHIFT/CHANGE mode
    and specified (
    CHANGE).1
    3
    4
    5
    2Select change. Cursor will move
    to the equation menu.
    Select the equation: y = x
    2 and
    draw the graph.
    View the result of the change. Select the location of the
    change: increase the value of y-
    coordinates.
    SHIFT/CHANGE
    (Change the shape of the graphs)
    Features
    y = x2
    y = 2x2]
    ] 
    						
    							EL-9400 Graphing Calculator
    NotesKey OperationDisplay
    Example
    7
    Slide show
    Slide show assists with teacher preparation. By selecting from the built-in options or cre-
    ating your own series of slides, you can demonstrate lessons with minimum preparation
    time.
    Use the built-in slide show of y = x2 to show how the
    coordinates change as you move along the graph.
    Select y = x2 and the first slide
    appears.
    Moving between the values you
    can follow the changes in the
    graph’s coordinates, making the
    nature of the graph easier to
    understand. Specified 
    SLIDE SHOW mode.1
    2
    4
    3
    Begin the slide show by press-
    ing the         cursor key. Select the built-in menu.
    Features
    * View the selection of built-in slide shows
    on the following pages. 
    						
    							EL-9400 Graphing Calculator
    8
    Built-in slide show selections
    1) Y=X22) Y=AX+B
    4) Y=1/X
    Features
    3) Y=  X 
    						
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