Graphing Calculator EL-9400 - Sharp Corporation
Graphing Calculator
EL-9400
TEACHERS' GUIDE
Introduction
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.
Built-in slide shows Educational tools (OHP/PC-link/Data collection)
Easy to Teach
Easy to Learn
Shift/Change function Equation editor Split display
Easy to Use
Large display Rapid graph Rapid window Rapid zoom
Contents
Sales points Basic operation Equation editor Features
Shift Change Slide show Slide show selections Graphing procedure Rapid graph Rapid window Rapid zoom
P 1 System options
P 2
PC-link system
P 14
P 4
Set to set communication P 15
OHP system
P 16
P 5 Menu tree 1~6
P 17
P 6 Specifications
P 23
P 7
P 8
P 10
P 11
P 12
P 13
Sales points
EL-9400 Graphing Calculator
1 Large 96 x 64-dot display
2 Graph Shift/Change shows how "changing" the graph affects the equation
3 Slide Shows reduce class preparation time
4 Equation Editor shows equations just as in textbooks
5 Rapid graph/Rapid window simplify graphing procedures
6 Rapid zoom allows easy adjustment of window size
1
EL-9400 Graphing Calculator
Basic operation
Power ON/OFF
Power on
Power off
CL Erase equations and remove error displays
QUIT
CL Cancel of previous function (Escape)
Function keys
Y = 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
EZ
Use to operate Rapid Graph/Rapid
Window and Rapid Zoom functions
Names of parts
1 Graphing keys 2 Power supply ON/OFF key 3 Alphabet specification key 4 Secondary function
specification key
2
5 Display screen
6 Cursor movement keys 7 Clear/Quit key 8 Variable enter key 9 Calculation execute key 10 Communication port for peripheral devices
EL-9400 Graphing Calculator
Basic operation
Guide to key use
SET UP menu
Press
to use secondary functions (in yellow). Press
SET UP .
Press
to use the alphabet keys (in blue).
? Contents displayed on the right side of
the screen are the current settings.
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.
Adjusting screen contrast
Reset function
? The contrast adjust screen will appear when pressing .
1) When trouble occurs
Press
to enter the reset mode.
Press Press
to lighten contrast. to darken contrast.
? 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.
3
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