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Graphing Calculator
EL-9450/9400
OPERATION GUIDE
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Introduction The EL-9450/9400 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-9450/9400 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-9450/9400 using detailed operation examples. Built-in slide shows Educational tools (OHP/PC-link/Data
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Sales points 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
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Basic operation Power ON/OFF Function keys aaaaa a a Power on Use to enter equations Y = Use to draw graphs aa a Power off Use to view table of function value Use to set size of viewing window aaaa a a Erase equations and CL Use to adjust the viewing range remove error displays Use to trace graphs QUIT Use to enter calculation mode aa a Cancel of previous CL Use to enter slide show mode function (Escape) Use to operate Rapid Graph/Rapid EZ Window and Rapid Zoom functions Names of parts 5 Displa
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Basic operation Guide to key use SET UP menu Press to use secondary functions (in yellow). Press . SET UP • Contents displayed on the right side of Press to use the alphabet keys (in blue). the screen are the current settings. Example: To select “sin”: -1 To select “sin ”: There may be differences in the results of calculations and graph plotting depending on the SET UP settings. ] To select A: Adjusting screen contrast Reset function 1) When trouble occurs • The contrast adjust screen will
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E quation editor The equation editor allows equations to be viewed just as they are written in textbooks. This aids student comprehension and allows mistakes to be found quickly. Example Input the equation and see how it can be easily viewed with the equation editor. Key Operation Display Notes Clear the display. 1 CL Select CALC and 2 (Integral function) (or ) 6 Enter the range of the integral. 0 1 3 a/b 2 X/T a/b 1 Enter 4 2 X/T x Complete equation input. 5 (or ) 0 7 Calculate the expre
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(Change the location of graphs) 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. Example 2 When the graph of y = x is shifted downward, how does this affect the equation? Key Operation Display Notes Enter SHIFT/CHANGE mode. SHIFT/CHANGE 1 If is not already SHIFT highlighted press . ] Select shift. Cu
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Features (Change the shape of the graphs) 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. Example 2 When the graph of y = x is changed, how does it affect the equation? Key Operation Display Notes Enter SHIFT/CHANGE mode SHIFT/CHANGE 1 and specified ( CHANGE ). Select change. Cursor will move 2 to the equation menu. 2 Selec
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Features S lide 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. Example 2 Use the built-in slide show of y = x to show how the coordinates change as you move along the graph. Key Operation Display Notes Specified SLIDE SHOW mode. 1 Select the built-in menu. 2 2 Select y = x and the first slide 3 appears. Begin the slide show by press- 4 ing the curs
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Features Built-in slide show selections 2 1) Y=X 2) Y=AX+B 3) Y= X 4) Y=1/X 8
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Features Built-in slide show selections -1 5) Y=sinX 6) Y=tanX 7) Y=cos X 8) Y=lnX 9
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Features Graphing Procedures The EL-9450/9400 has three unique functions that simplify graphing procedures: Rapid Graph, Rapid Window and Rapid Zoom. Of course, the EL-9450/9400 supports conventional graphing procedures as well. Graphing Procedure Following outlines graphing procedures and indicates the steps where Sharp's unique functions can be used to simplify operations. These functions are introduced on the following pages. Manual Input Rapid Graph Step 1 Y = EZ b X/T a 3 X/T Input equatio
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Features Rapid graph Graphing has never been easier. With its full range of preset equations, rapid graph simplifies equation input. Use in conjunction with the rapid window function or with any graph created. Example Draw the graph for y = 2sin (-2x+ ) + 2 using the rapid graph function. Key Operation Display Notes Enter the equation entry mode. Y = 1 Enter Rapid Graph mode and view EZ 2 the equation-type menu. Select the type of equation: Trigo- 3 nometric, and view the equation format menu
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Features Rapid window Rapid window simplifies setting window size with a range of preset values. Use in con- junction with the rapid graph function or with any graph created. Example After using Rapid Graph to draw the graph of y = 2sin (-2x+ ) + 2 (refer p. 11), set the viewing window using the rapid window function. Key Operation Display Notes Enter viewing window setup mode. 1 Enter Rapid Window mode. EZ 2 Select the No. 3 style and view the 3 X-range menu. Select X-range No. 4: 4 (-1 < X <
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Features Rapid zoom Rapid zoom offers one-touch adjustment of window size while viewing the graph. No more guessing or wasting class time to find optimal values for window size. Example 3 2 Adjust the viewing window for y = x + x - 2x to show the entire graph. Key Operation Display Notes 3 2 b a Create the graph y = x + x - 2x Y = X/T 3 1 using the following conditions: 2 X/T x 2 X/T X-range: xmin = -3 xmax = 3 (–) 3 3 xscl = 1 Y-range: ymin = -1.5 1 ymax = 1.5 (–) 5 1 5 1 yscl = 0.5 5 EZ Enter
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System options PC-LINK Connect the EL-9450/9400 with a PC or Macintosh computer to expand the possibilities of data exchange using PC-Link software. CE-LK1P (PC-link system) PC-Link Software PC conversion connector for IBM-PC R IBM PC or Compatibles PC-Link Software CE-450L PC conversion connector for Macintosh R Macintosh What is PC LINK? • Loads image data of EL-9450/9400. • Creates and edits EL-9450/9400 programs on a PC. • Converts programs and various data files into a Text File. Converts •
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Set to set communication Transfer data between two EL-9450/9400 calculators using the communication cable (CE-450L). CE-450L EL-9450/9400 EL-9450/9400 Communication cable Communication Procedure Plug the cable into both calculators. 7 1 Turn power on. 2 Select SEND/ALL. List of sendable data will appear on screen. ] Receiver 3 8 ( or ) Specified LINK. Select ‘LI’, ‘YI’ mark desired data to be * sent. ] 4 9 ( or ) 2 Execute Sending function. Select LINK/RECEIVE. Sender 5 List of the SEND men
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OHP System Use the EL-9450/9400 OHP system with the overhead projector to make classroom presentations convenient for the whole class to see. EL-945T/94T (OHP system) AC adaptor (optional) OHP Projection Panel CE-450L The CE-450L is included OHP Panel for separate use Controller (see page 15) Procedure Switch off the OHP Panel Controller. 1 Plug the cable connector of the OHP Projection Panel straight into the connection terminal of the 2 OHP Panel Controller. (The optional AC adaptor is reco
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Menu tree 1 SET UP ( ) 2nd F SET UP A B DRG C FSE D TAB E COORD Rad 1 Deg 1 FloatPt 1 1 1 Rect FloatPt 2 Rad 2 Fix 2 2 2 Param 9 3 Grad 3 3 4 4 Rect Decimal 5 5 Eqn 6 6 7 7 8 8 F AMSWER G EDITOR 9 9 0 0 1 Decimal 1 Eqn 2 Mixed 2 Oneline 3 Improp FORMAT ( ) 2nd F FORMAT 1 A B EXPRES C Y D STYLE1 OFF 1 ON 1 ON 1 Connect OFF 2 OFF 2 OFF 2 Dot Connect Sequen E STYLE 2 1 Sequen 2 Simul MATH ( MATH ) A CALC B NUM C PROB D CONV 1 log2 1 abs( 1 random 1 deg x 2
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Menu tree 2 When coordinate system is Rect When coordinate system is Param CALC ( ) 2nd F CALC CALC ( ) 2nd F CALC CALC CALC 1 Value 1 Value 2 Intsct 3 Minimum 4 Maximum 5 X_Incpt 6 Y_Incpt 7 Inflec LIST ( ) 2nd F LIST A OPE B MATH C L_DATA 1 sortA( 1 min( 1 stoLD 2 sortD( 2 max( 2 RclLD 3 dim( 3 mean( 4 fill( 4 median( 5 seq( 5 sum( 6 cumul 6 prod( 7 df_list 7 stdDv( 8 aug...( 8 varian( STAT ( STAT ) A EDIT B OPE C CALC D REG x edit list 1 sor
