Sharp El 9400 User Guide

							EL-9400 Graphing Calculator
19
Menu tree 3
ZOOM
A ZOOM B FACTOR D EXP E TRIG(       ) 
1 Auto
2 Box
3 In
4 Out
5 Default
6 Square
7 Dec
8 Int
9 Stat
F STO
1 StoWinG RCL
1 StoWin
2 PreWin
1 10x2 ex3 log x
4 In x1 sin x
2 cos x
3 tan x
4 sin-1 x
5 cos-1 x
6 tan-1 x Set factor
     of zoom
Press
ZOOM
ENTER
PROGM-COM
A PRGMD I/O E COORD(               on Program screen) 
1 Print
2 
3 Input
4 Wait
5 Rem
6 End
B BRNCH
1 Label
2 Goto
3 If
4 Gosub
5 ReturnC SCRN
1 ClrT
2 ClrG
3 DispT
4 DispG
F FORM
1 ExprON
2 ExprOFF
3 Y ON
4 Y OFF
5 Connect
6 Dot
7 Sequen
8 SimulG S_
PLOT
1 Plt1(
2 Plt2(
3 Plt3(H COPY
1 StoLine
2 RclLine1 Get
2 Send1 Rect
2 Param
2nd FPRGM
VARS
A EQVARSD L_DATA E G_
DATA(       ) 
B WINDOWC STOWIN
F PICTUR
1 Pict1
2 Pict2
3 Pict3
4 Pict4
5 Pict5
6 Pict6
7 Pict7
8 Pict8
9 Pict9
0 Pict0G TABLE
1 TBLStrt
2 TBLStep
3 TBLListH STAT1 L_
Data 1
2 L_
Data 2
3 L_
Data 3
4 L_
Data 4
5 L_
Data 5
6 L_
Data 6
7 L_
Data 7
8 L_
Data 8
9 L_
Data 9
0 L_
Data 01 G_
Data 1
2 G_
Data 2
3 G_
Data 3
4 G_
Data 4
5 G_
Data 5
6 G_
Data 6
7 G_
Data 7
8 G_
Data 8
9 G_
Data 9
0 G_
Data 0
VARS
Graph equation
PressValue of
       window
PressValue of
   stored window
Press
stat
Press
ENTERENTERENTER
ENTER
C POWER
1 
X22 X-13   X 
						

							EL-9400 Graphing Calculator
20
Menu tree 4
EQ VAR
A XY(           ) 
1 Y1
2 Y2
3 Y3
4 Y4
5 Y5
6 Y6
7 Y7
8 Y8 9 Y9  0 Y0 
B REGEQN
1 RegEqn
2 a
3 b
4 c
5 r
6 r
2 
7 R2
8 resid 
C POINTS
1 x1
2 x2
3 x3
4 y1
5 y2
6 y3
7 Q1
8 Med 9 Q3
B XYT
01 X1T
02 Y1T
03 X2T
04 Y2T
05 X3T
06 Y3T
VARSA
WIN VAR
A XY(           ) 
1 Xmin
2 Xmax
3 Xscl
4 Ymin
5 Ymax
6 Yscl
7 X_Fact
8 Y_Fact 
B T
1 Tmin
2 Tmax
3 Tstep
VARSB
ZOOM VAR
A STOXY(           ) 
1 Zm_Xmin
2 Zm_Xmax
3 Zm_Xscl
4 Zm_Ymin
5 Zm_Ymax
6 Zm_YsclB STOT
1 Zm_Tmin
2 Zm_Tmax
3 Zm_Tstp
VARSC
STAT VAR(           ) VARSH
A XY
01 n
03 sx
04   x
05 xmin
06 xmax
10 y
11 sy
12   y
13 ymin
14 ymax
15 ∑y 07 ∑x
16 ∑y208 ∑x2
09 ∑xy
02 x
A EXEC
01
02
03
04
05
0601
02
03
04Cleate
   new program
05
06B EDITC NEW
PRGM
07 X4T08 Y4T09 X5T10 Y5T11 X6T12 Y6T
(       ) PRGM
Press ENTER 
						

							EL-9400 Graphing Calculator
21
Menu tree 5
1 Y    X2
5 Y    sinX
6 Y    tanX 2 Y      X
3 Y    1/X
4 Y    e
x4 Y    ex
5 Y    lnX
6 Y    sinX
7 Y    tanX
8 Y     XB CHANGE A SHIFT
1 Y    X2
2 Y      X3 Y     X
1 Y    X2
2 Y    AX+B
3 Y   
4 Y    1/X
5 Y    sinX
6 Y    tanX
7 Y    cos
-1X
8 Y    lnXA B-IN
X
1 MBox • 2 MBox+
3 MBox1 Scattr • 2 Scattr+
3 Scattr F MBOX
G  S.D.1 xyLine • 2 xyLine+
3 xyLineH XYLINE
1 Broken • 2 Broken+
3 Broken1 Norm • X
2 Norm+_X
3 Norm    _X
4 Norm
 • _Y
5 Norm+_Y
6 Norm    _Y B B.L. C N.P.
STAT PLOT
Stat plot1 Stat plot2 Stat plot3 1 SET 1 PlotON
2 PlotOFF 2 LimON
3 LimOFF Press Press
Press2nd FSTATPLOT
B PLOT2 A PLOT1 C PLOT3 D LIMIT
E ON/OFF
OPTION(             ) 
Remain
        12345bytes
Press
   1 List
2 GraphEq 
3 Program
4 Picture
5 G
-Data
6 L
-Data
7 Entry1 SEND 1 default 
2 All mem 2 RECEIVE
2nd FOPTION
B MEMCHK A CTRST C DEL D LINK E RESET
STAT GRAPH(                         ) 
1 Hist1 NormDis 1 Box
2nd FSTATPLOT on PLOT1-3screen
A HISTD N.D. E BOX
SLIDE(          ) SLIDESHOW
SHIFT/CHANGE(                 ) SHIFT/CHANGE
(
)
2nd F
ENTERENTER
ENTER
ENTER 
						

							EL-9400 Graphing Calculator
22
Menu tree 6
Y=(      )
RECT MODE
Y1=
Y2=
Y3=
Y4=
Y5=
Y6=
Y7=
Y8=
Y9=
Y0=PAR MODE
X1T=
Y1T=
X2T=
Y2T=
X3T=
Y3T=
X4T=
Y4T=
X5T=
Y5T=
X6T=
Y6T=
Y=
(                     1)2nd FD OPTIONLINK
ENTER
B BACKUP
back up
PressA SELECT
1 All
2 List
3 GraphEq
4 Program
5 G_
Data
6 L_
Data
7 Picture
8 A    Z, 
						

							EL-9400 Graphing Calculator
23
Dimensions W x D x H (mm)163 x 76 x 19.5 (without hardcase)
PowerAAA x 4
Backup BatteryCR2032 x 1
Size (dot)96 x 64
Line x Characters8 x 16
Character Size (dot)5 x 7
Digits (mantissa + exponent)10 + 2
Display
Total Memory Size32 KB
Constant Memory27 + last answer memory
Protective hard case
Memory
CE-450LUnit-to-unit  communications cable
CE-LK1PC-Link (Print screen/Data storage)
EL-94TOHP system (includes controller)
Peripheral
Accessory
Equation editor, Shift/Change, Slide show (Built-in), Rapid graph, 
Rapid window, Rapid zoom, List grouping
Function graphingUp to 10
Parametric graphingUp to 6
Zoom, Trace
Table of function values
GraphingStandard
Features
Regression models10
Scatter Plots and Histograms
Box-and-Whisker Diagrams
Statistics
ListUp to 6 (Maximum length : 999)
Programming
Trigonometry functions (including sec, csc, cot)
Fraction/Decimal conversions
Last entry recall 
Last answer recall
Other
Features
unique to
Sharp
* Design and specifications are subject to change without notice. 
* Some products may not be available in some countries.
Specifications
Specifications 
						

							NotesKey OperationDisplay
EL-9400 Graphing Calculator
Example
Before carrying out the following operation, press the reset switch located on the back of the unit and press
  keys (caution: previously entered equations and memory will be erased).
Rectangular coordinate graphs
Use rectangular coordinate to enter two graph equations
and shade the area surrounded by the graphs
Return to the graph display and the specified
area will be shaded.
1Specify Rect mode on the screen.
Enter graph equation
“7sinX+X” at Y1.
Enter graph equation
“X+1” at Y2.
Display the graph.
Specify the area surrounded by the two
graph equations to be shaded. (Y2
						

							NotesKey OperationDisplay
EL-9400 Graphing Calculator
Example
Before carrying out the following operation, press the reset switch located on the back of the unit and press
  keys (caution: previously entered equations and memory will be erased).
After completion of the calculation, the values of
the X,Y intersection will appear at the bottom of
the screen, and the cursor will appear at the
corresponding point on the graph, as before.
]
]
After completion of the calculation, the values of
the X,Y intersection will appear at the bottom of
the screen, and the cursor will appear at the
corresponding point on the graph, as before.
]
]
3 
   X/T
 7  
1 0
  1
  2
  2
CALC function
Use the CALC function to solve graph equations
(The coordinate axis is rectangular coordinates.)
1
2
3
4
5
6
7
Y =  0  5 X/T
x2  5 
Enter “3” as the value of X and the
value of Y is calculated. Enter the graph equation
“0.5X
2-5” at Y1.
Enter the graph equation
“4  X+7-
10 ” at Y2.
Display the graph.
Specify the value of X to find the value
of Y, by specifying the value of CALC.
Specify “Intsct” function to calculate the
intersection point of the two graphs.
The graph is intersected at two points.
Carry out the same operation as in 
to find the second intersection.
The values X and Y appear at the bottom of the
screen and the cursor appears at the
corresponding point on the graph.
]
] 
						

							NotesKey OperationDisplay
EL-9400 Graphing Calculator
Example
Before carrying out the following operation, press the reset switch located on the back of the unit and press
  keys (caution: previously entered equations and memory will be erased).
10 students achieved the following results in a mathematics examination. Draw a
graph to classify these results into top, bottom and average score.
Exam results: 68, 73, 92, 86, 78, 95, 69, 75, 82, 81
Draw the graph by setting the most
suitable screen for the statistical
graph.Specify two figures after the decimal
point on the set up screen.
Enter all the exam results into the
list L1.
Select the variable quantity of the
statistics from the statistics mode.
Specify the list L1 containing the
exam data.
Calculates the quantity of the
statistics such as average, standard
deviation, total and bottom score.
1
2
3
4
5
6
7
 SET UP
 2  2
   
6   7 3   2 
 6  7    5 
6   7 5   2 
 1 
  
  
 
8  
   1
 
   Set the screen for the various
specified values in order to draw
the statistical graph with PLOT1.
Input of the specified values for drawing
a histogram from the list L1 of the
statistical quantity has been completed.
]
on/off: set whether to graph or not
DATA: select variable 1(X) or variable 2 (XY).
List X: set the list of the corresponding graph.
Freq: set frequency
GRAPH: set graph format]
Statistics calculations 
						

							EL-9400 Graphing Calculator 
						

							SHARP CORPORATION OSAKA, JAPANFAX: 06-628-1653
Distributed by:
FD0094N@ SHARP CORP.(FEB‘98PROD.) H0.5E Printed in Hong Kong