Automatic/Manual Simplification
In the mixed or fraction calculation, you can select the automatic (default) or manual simplification of
a fraction.
To set to the manual simplification:
EL-9450
Supplement
GRAPHING CALCULATOR
SETUP
1 Press
2 Press
.
.
The answer of division will not simplify
automatically. Use Simp feature of FRAC
menu to simplify the fraction.
*
02CGK (TINSE0457THZZ)
PRINTED IN CHINA
FRAC menu
NOTICE
[1 Simp] Simplifies a given fraction stored in the ANSWER memory. (when the SIMPLE mode is
set to Manual and the ANSWER mode is set to Mixed or Improp in the SETUP menu.)
The material in this manual is supplied without representation or warranty of any kind. SHARP assumes no
responsibility and shall have no liability of any kind, consequential or otherwise, from the use of this material.
SHARP strongly recommends that separate permanent written records be kept of all important data. Data
may be lost or altered in virtually any electronic memory product under certain circumstances. Therefore,
SHARP assumes no responsibility for data lost or otherwise rendered unusable whether as a result of im-
proper use, repairs, defects, battery replacement, use after the specified battery life has expired, or any other
cause.
•
•
Specifying no common factor
Simplify the fraction using the lowest common factor other than 1.
•
<Example>
>
1
12
12
5
SHARP assumes no responsibility, directly or indirectly, for financial losses or claims from third persons
resulting from the use of this product and any of its functions, the loss of or alteration of stored data, etc.
The information provided in this manual is subject to change without notice.
Screens and key shown in this manual may differ from the actual ones on the calculator.
Some of the accessories and optional parts described in this manual may not be available at the time you
purchase this product.
•
FRAC
(Sim-
•
•
•
plified by 2, the lowest common
factor of 12 and 6.)
FRAC
(Sim-
Some of the accessories and optional parts described in this manual may be unavailable in some countries.
All company and/or product names are trademarks and/or registered trademarks of their respective holders.
•
•
plified by 3, the lowest common factor of 6 and 3.)
Specifying a common factor
Simplify the fraction using the specified common factor.
•
Precautions for handling batteries
Fluid from a leaking battery accidentally entering an eye could result in serious injury. Should this occur, wash
•
with clean water and immediately consult a doctor.
<Example>
Should fluid from a leaking battery come into contact with your skin or clothes, immediately wash with clean
water.
•
>
1
12
5
12
FRAC
If the product is not to be used for some time, to avoid damage to the unit from leaking batteries, remove them
and store in a safe place.
6
(Manually specify 6, the Great-
•
est Common Factor of 12 and 6, to simplify the fraction.)
Do not leave exhausted batteries inside the product.
Do not fit partially used batteries, and be sure not to mix different batteries types.
•
Notes: • If the wrong number is specified for a common factor,
an error will occur.
•
• Calculation may take considerable amount of time if
the factor is set to a large digit integer (6-digit or more, for example).
Note of calculation accuracy
In principle, the calculation error is 1 of the last digit (in case of exponential display, the calculation error is
•
1 of the last digit of the mantissa display.)
[
2→a b/c] Converts an improper fraction to a mixed number.
The calculation error increases in continuous calculations due to accumulation of each calculation error (that
•
a
is the same for ab,◊b, n!, ex, ln, etc., where continuous calculations are performed internally).
<Example>
Calculation errors will accumulate and become larger into the vicinity of inflection points and singular points
of functions. (For example, calculation of sinh x or tanh x at x = 0).
•
12
5
Change
12
to a mixed number.
•
5 >
FRAC
INTRODUCTION
Congratulations on purchasing the EL-9450 Graphing Calculator. The basic functions of the EL-9450 are the
same as the EL-9400. See the enclosed EL-9400 operation manual for almost all the operations. This supple-
ment describes about the features added from the EL-9400, such as fraction calculations (Manual Calculations),
pie chart (Statistics), and int÷/remain functions (Manual Calculations). It also describes the feature updates, such
as capability of a self-made Slide Show, random function, commands for programming. Read both the EL-9400
Operation Manual (where EL-9400 and CE-LK1 should be read as EL-9450 and CE-LK1P respectively) and this
supplement before operation.
[3
→
b/c] Converts a mixed number to an improper fraction.
<Example>
2
5
Change 2
to an improper fraction.
•
FRAC
Please store both the manual and the supplement in a convenient location for your reference.
[4→
A.xxx]Converts a fraction to a decimal number.
THE NEW KEYS FOR EL-9450
<Example>
12
5
Change
to a decimal number.
•
EL-9450
FRAC
Integer Division
INT
÷
Performs an integer division, and returns a quotient and a remainder.
<Example>
Get a quotient and a remainder of 50 ÷ 3.
•
STAT PLOT
TBLSET
FORMAT
CALC
INT ÷
50
3
Quotient value is set to Ans and remainder is not stored.
CLIP
SHIFT CHANGE
*
10
<
CLIP Key
FRAC key
_
<
x
Calculation range: 0
10
*
OFF
DRAW
FRAC
tan
B NUM submenu in MATH menus
PRGM
A LOCK
INS
SET UP
QUIT
[0 remain] natural number remain natural number
Returns the remainder of a division.
<Example>
sin
cos
RCL
OPTION
X/T
Obtain the remainder when 123 is divided by 5.
•
1 2 3
5
10
<
_
<
x
Calculation range: 0
10
*
L
4
L
5
2
L
6
3
LIST
INT
New Feature for STATISTICS Menu
INT ÷ key
ab/c key
L1
L
L
EXE
Pie Chart
Pie graph of sample (x)
SPACE ENTRY
ANS
Maximum number of division is 8.
•
100
<
_
<
x
* Calculation range: 0
10
COMMUNICATION PORT
Data can be displayed in two modes:
•
Value display: 7 digits
•
Communication port*
Percentage display: Fixed decimal (2 digits decimal)
•
Communication between EL-9450 and EL-9400 is not possible.
Use CE-LK1P and PC to transfer the data from the EL9400.
Pie graphs are drawn in the same order as on the specifying list.
Pie graphs cannot be displayed simultaneously with other graphs and X/Y
axis, though lines or dots can be drawn. The coordinates of the free-moving
cursor depend on the Window settings.
•
•
*
NEW FEATURES
The values are stored in variables A to H.
•
•
As all the displayed values are rounded off in the percentage display mode, the total percentage may not be 100.
Fraction Calculation Features
To set the graph format to a pie graph.
ab/c
Enters a mixed number.
STAT PLOT
1. Press
to GRAPH.
-
and
and move the cursor
<Example>
5
6
STAT PLOT
2. Press
3. Press
again.
Enter 4
4
•
(PIE) and press
(Pie) or (Pie %).
b
a /c 5 > 6
to one-line mode,
GRAPH
4. Press
* Press
to draw the graph.
Note: When no value is entered prior to this key, the number areas will be left blank. If the calculator is set
STAT PLOT
to select PlotOFF before entering
b
b
a /c enters “ ” (integer-fraction separator) only. Use
as follows.
a /c in combi-
to the next section.
nation with
Additional commands of programming for statistical data plotting
5
Enter 4 in one-line mode.
•
6
G S_PLOT menu (see page 163-164, Prgramming Commands)
b
4
a /c 5
6
[4 PlotON]
[5 PlotOFF]
(Sets drawing of the specified statistical graph to on.)
(Sets drawing of the specified statistical graph to off.)
Integer part of the mixed number must be a natural number. A variable cannot be
*
*
used. Using parenthesis in an equation, such as (1+2)
cause syntax error.
2
3 or (5)
2
3, will
If no number is specified, the above commands turn on/off
*
all of the statistical graphs.
When a numerator or a denominator is negative, the calculation will cause error.
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