Sharp EL-9450 warranty Precautions for handling batteries, Automatic/Manual Simplification

EL-9450GRAPHING CALCULATOR

Supplement

02CGK (TINSE0457THZZ)

PRINTED IN CHINA

NOTICE

•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.

•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.

•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.

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.

•Should fluid from a leaking battery come into contact with your skin or clothes, immediately wash with clean water.

•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.

•Do not leave exhausted batteries inside the product.

•Do not fit partially used batteries, and be sure not to mix different batteries types.

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.)

•The calculation error increases in continuous calculations due to accumulation of each calculation error (that is the same for ab, ◊a b, n!, ex, ln, etc., where continuous calculations are performed internally).

•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).

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.

Please store both the manual and the supplement in a convenient location for your reference.

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:

1Press ÏSETUP .

2Press H2.

*The answer of division will not simplify automatically. Use Simp feature of FRAC menu to simplify the fraction.

FRAC menu

[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.)

•Specifying no common factor

Simplify the fraction using the lowest common factor other than 1.

<Example>

1 ;12 >+5 ;

Ï12 ®

FRAC 1®(Sim-

plified by 2, the lowest common Ïfactor of 12 and 6.)

FRAC 1®(Sim-

plified by 3, the lowest common factor of 6 and 3.)

•Specifying a common factor

Simplify the fraction using the specified common factor.

<Example>

Ï1 ;12 >+5 ;12 ®

FRAC 16 ®(Manually specify 6, the Great-

est Common Factor of 12 and 6, to simplify the fraction.)

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).

[2→ab/c] Converts an improper fraction to a mixed number.

<Example>

•Change 125 to a mixed number.

12 ;5 >ÏFRAC 2®

[3 →b/c] Converts a mixed number to an improper fraction.

<Example>

2

• ChangeÏ2 5 to an improper fraction.

FRAC 3®

THE NEW KEYS FOR EL-9450

EL-9450

STAT PLOT		TBLSET		FORMAT	CALC
CLIP Key	CLIP	SHIFT CHANGE
OFF		DRAW
	PRGM
FRAC key	A LOCK	FRAC	INS	SET UP	QUIT
sin	cos	tan
			RCL		OPTION
					X/T
L4	L5	L6		LIST	INT
L1	L2	L3			EXE
	SPACE ENTRY			ANS
			COMMUNICATION PORT

Communication port*

INT ÷ key

ab/c key

[4→A.xxx] Converts a fraction to a decimal number.

<Example>

•ÏChange 125 to a decimal number.

FRAC 4®

Integer Division

INT ÷ Performs an integer division, and returns a quotient and a remainder.

<Example>

•Get a quotient and a remainder of 50 ÷ 3.

50 ÏINT ÷ 3 ®

*	Quotient value is set to Ans and remainder is not stored.
	1 2 3 ≥B0			10
			5 ®
* Calculation range:		< x <	10

B NUM submenu in MATH menus

[0 remain] natural number remain natural number Returns the remainder of a division.

<Example>

• Obtain the remainder when 123 is divided by 5.

*Calculation range: 0 < x < 1010

New Feature for STATISTICS Menu

Pie Chart

Pie graph of sample (x)

• Maximum number of division is 8.

* Calculation range: 0 < x < 10100

• Data can be displayed in two modes:

• Value display: 7 digits

• 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.

NEW FEATURES

Fraction Calculation Features

ab/c Enters a mixed number.

<Example>

5

• Enter 4 6

4 Ïab/c 5 > 6

Note: When no value is entered prior to this key, the number areas will be left blank. If the calculator is set to one-line mode, Ïab/c enters “” (integer-fraction separator) only. Use Ïab/c in combi- nation with ;as follows.

• Enter 4 56 in one-line mode.

4 Ïab/c 5 ;6

*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) 2 3 or (5) 2 3, will cause syntax error.

*When a numerator or a denominator is negative, the calculation will cause error.

• 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.

• 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.

To set the graph format to a pie graph.

1.Press STAT PLOT A-Cand ®and move the cursor to GRAPH.

2.Press ÏSTAT PLOT again.

3.Press F(PIE) and press 1(Pie) or 2(Pie %).

4.Press GRAPH to draw the graph.

*Press ÏSTAT PLOT E2®to select PlotOFF before entering to the next section.

Additional commands of programming for statistical data plotting

G S_PLOT menu (see page 163-164, Prgramming Commands)

[4 PlotON]	(Sets drawing of the specified statistical graph to on.)
[5 PlotOFF]	(Sets drawing of the specified statistical graph to off.)
	* If no number is specified, the above commands turn on/off
	all of the statistical graphs.