ENGLISHPriority Levels in CalculationDISPLAYSCIENTIFIC CALCULATIONS
This calculator performs operations according to the following
SCIENTIFIC CALCULATORY Floating point systempriority:Y Calculate in the normal mode.
2
1 Functions such as sin, x, and %Y In each example, press a to clear the display.
?Symbolxx
MODELEL-501W2 y, ży
3 �, ÷Arithmetic Operations
OPERATION MANUAL4 +, �Y The closing parenthesis ) just before = or ;
Y Scientific notation system5 =, M+ and other calculation ending instructionmay be omitted.
PRINTED IN CHINA / IMPRIM? EN CHINE / IMPRESO EN CHINAY Calculations which are given the same priority level areY When entering only a decimal place, it is not necessary to
04AGK (TINSE0496THZZ)executed in sequence.press 0 before ..
Y If parentheses are used, parenthesized calculations have
precedence over any other calculations.Constant Calculations
MantissaExponentY In the constant calculations, the addend becomes a con-
Y Parentheses can be continuously used up to 15 times un-
INTRODUCTION(During actual use not all symbols are displayed at the same time.)less pending calculations exceed 4.stant. Subtraction and division are performed in the same
If the value of mantissa does not fit within the rangemanner. For multiplication, the multiplicand becomes a
Thank you for purchasing the SHARP Scientific Calculator?0.000000001 � ?9999999999, the display changes to scien-constant.
Model EL-501W.tific notation. The display mode can be changed according toINITIAL SET UP
About the calculation examples (including some formulasthe purpose of the calculation.Functions
and tables), refer to the reverse side of this English manual.Mode Selection
2ndF : Appears when @ is pressed, indicating that theY Refer to the calculation examples of each function.
Refer to the number on the right of each title on the
functions shown in orange are enabled.Y For most calculations using functions, enter numerical
manual for use.Normal mode: avalues before pressing the function key.
After reading this manual, store it in a convenient location forHYP: Indicates that h has been pressed and the hy-Used to perform arithmetic operations and function calcula-
future reference.perbolic functions are enabled. If @ H aretions. BIN, OCT, HEX, CPLX and STAT are not displayed.
pressed, the symbols O2ndF HYP� appear, indicat-Random Numbers
Operational Notesing that inverse hyperbolic functions are enabled.Binary, Octal, Decimal, or Hexadecimal system mode:A pseudo-random number with three significant digits can be
Y Do not carry the calculator around in your back pocket, as@e, @î, @à or @igenerated by pressing @ `. Random number gen-
DEG/RAD/GRAD: Indicates angular units and changes each
it may break when you sit down. The display is made oferation is not possible when binary/octal/hexadecimal sys-
time G is pressed. The default setting is DEG.
glass and is particularly fragile.Complex number mode: @Atem mode is set.
Y Keep the calculator away from extreme heat such as on a( ): Appears when a calculation with parentheses is per-Used to perform arithmetic operations with complex numbers.
Angular Unit Conversions
car dashboard or near a heater, and avoid exposing it toformed by pressing (.To clear this mode, press @A.
Each time @ g are pressed, the angular unit changes
excessively humid or dusty environments.BIN: Indicates that @ e has been pressed.
Statistics mode: @Ain sequence.
Y Since this product is not waterproof, do not use it or storeBinary system mode is selected.
Used to perform statistical calculations. To clear this mode,
it where fluids, for example water, can splash onto it.
OCT: Indicates that @ î has been pressed.press @A.
Raindrops, water spray, juice, coffee, steam, perspiration,Memory Calculations
Octal system mode is selected.When executing mode selection, statistical data will be cleared
etc. will also cause malfunction.This calculator has one independent memory (M). It is avail-
even when reselecting the same mode.
Y Clean with a soft, dry cloth. Do not use solvents or wetHEX: Indicates that @ i has been pressed.able in the normal mode and binary, octal, hexadecimal
cloth.Hexadecimal system mode is selected.system mode.
Y By pressing F or Automatic power off function, theY The independent memory is indicated by the three keys:
Y Do not drop it or apply excessive force.CPLX : Indicates that @ A has been pressed.
mode is cleared and returned to the normal mode.O, R, ;.
Y Never dispose of batteries in a fire.Complex number mode is selected.
Before starting a calculation, clear the memory by press-
Y Keep batteries out of the reach of children.Selecting the Display Notation and Decimal Places
STAT : Indicates that @ A has been pressed.ing a and O.
Y This product, including accessories, may change due toY When calculation result is displayed in the floating point
Statistics mode is selected.Y A value can be added to or subtracted from an existing
upgrading without prior notice.system, pressing displays the result in the scientific
M: Indicates that a numerical value is stored in thememory value. When subtracting a number from the
notation system.
SHARP will not be liable nor responsible for any inciden-independent memory.memory, press ? and ;.
Pressing once more displays the result again in the
tal or consequential economic or property damage causedY The contents of the memory are retained even when the
E: Appears when an error is detected.floating point system.
by misuse and/or malfunctions of this product and itscalculator is turned off. A value stored in memory will thus
Y Pressing @i and any value between 0 and 9 speci-
peripherals, unless such liability is acknowledged by law.remain until it is changed or until the batteries run out.
BEFORE USING THE CALCULATORfies the number of decimal places in the calculation result.
Press the RESET switch (on the back), with the tip of aTo clear the setting of decimal places, press @ iChain Calculations
ball-point pen or similar object, only in the following cases.Key Notation Used in this Manual..This calculator allows the previous calculation result to be
Do not use an object with a breakable or sharp tip. NoteIn this manual, key operations are described as follows:used in the following calculation.
that pressing the RESET switch erases all data stored in100000�3=The previous calculation result will not be recalled after en-
memory.To specify A (HEX): A[Floating point]a100000/3=33333.33333tering multiple instructions.
Y When using for the first timeTo specify A: @ V[TAB set to 2]@i 233333.33
Y After replacing the batteriesTo specify Exp: E?[Scientific notation] 3.33 04Time, Decimal and Sexagesimal Calculations
Y To clear all memory contents?[Floating point] @i.33333.33333This calculator performs decimal-to-sexagesimal conversion
Y When an abnormal condition occurs and all keys areFunctions that are printed in orange above the key requireand sexagesimal-to-decimal conversion. In addition, the four
inoperative.@ to be pressed first before the key. Numbers are notY If the value for floating point system does not fit in thebasic arithmetic operations and memory calculations can be
If service should be required on this calculator, use only ashown as keys, but as ordinary numbers.following range, the calculator will display the result usingcarried out using the sexagesimal system.
SHARP servicing dealer, SHARP approved service facility,scientific notation system:Notation for sexagesimal is as follows:
or SHARP repair service where available.Power On and Off0.000000001 d | x | d 9999999999
Press a to turn the calculator on, and F to turn it off.Determination of the Angular Unit
Hard Case
In this calculator, the following three angular units (degrees,123.404080
Clearing Numbers
radians, and grads) can be specified.degreesecond
Y Press a to clear the entries except for a numericalminute
value in the independent memory and statistical data.DEG (°)
Y Press a to clear the number entered prior to use ofPress G
Note: When the calculation or conversion result is con-
function key.
GRAD (g)RAD(rad)
Y In case of one digit correction of the entered number, pressverted, a residual may occur.
o (right shift key).
Coordinate Conversions
STATISTICAL CALCULATIONSBATTERY REPLACEMENTSPECIFICATIONS
Y Before performing a calculation, select the angular unit.
Press @ A to select statistics mode.Notes on Battery ReplacementCalculations:Scientific calculations, binary/octal/
YP (x,y )YP (r,¸ )
The following statistics can be obtained:Improper handling of batteries can cause electrolyte leakagehexadecimal number calculations,
r
y?xMean of samples (x data)or explosion. Be sure to observe the following handling rules:complex number calculations, sta-
¸tistical calculations, etc.
0x0XXY Replace both batteries at the same time.
sxSample standard deviation (x data)Internal calculations:Mantissas of up to 10 digits
Y Do not mix new and old batteries.
Rectangular coord.Polar coord.AxPopulation standard deviation (x data)Pending operations:4 calculations
Y Make sure the new batteries are the correct type.
nNumber of samplesY When installing, orient each battery properly as indicated inPower source:3V ? (DC):
LxSum of samples (x data)the calculator.Alkaline batteries (LR44) � 2
BINARY, OCTAL, DECIMAL, AND2
LxSum of squares of samples (x data)Y Batteries are factory-installed before shipment, and may bePower consumption:0.0005 W
HEXADECIMAL OPERATIONS (N-BASE)exhausted before they reach the service life stated in theOperating time:Approx. 3000 hours
specifications.when continuously displaying 55555.
This calculator can perform the four basic arithmetic opera-Data Entry and Correctionat 25!C (77!F).
tions, calculations with parentheses and memory calcula-Entered data are kept in memory until @ A or FWhen to Replace the BatteriesVaries according to use and other
tions using binary, octal, decimal, and hexadecimal num-are pressed. Before entering new data, clear the memoryIf the display has poor contrast, the batteries require replace-factors.
bers.contents.ment.Operating temperature: 0!C � 40!C (32!F � 104!F)
When performing calculations in each system, first set the[Data Entry]External dimensions:78.6 mm (W) � 144 mm (D) � 11.6
calculator in the desired mode before entering numbers.Data kCautionmm (H)
It can also perform conversions between numbers expressedData * frequency k (To enter multiples of the sameY Fluid from a leaking battery accidentally entering an eye could3-3/32� (W) � 5-21/32� (D) � 15/32�
in binary, octal, decimal and hexadecimal systems.data)result in serious injury. Should this occur, wash with clean(H)
Conversion to each system is performed by the followingwater and immediately consult a doctor.Weight:Approx. 75 g (0.17 lb)
[Data Correction]
keys:Y Should fluid from a leaking battery come in contact with your(Including batteries)
Correction prior to pressing k:
skin or clothes, immediately wash with clean water.
I e : Converts to the binary system. OBIN� appears.Delete incorrect data with a.Accessories:Batteries � 2 (installed), operation
Y If the product is not to be used for some time, to avoid damagemanual, quick reference card and
I î : Converts to the octal system. OOCT� appears.Correction after pressing k:to the unit from leaking batteries, remove them and store in a
hard case
Reenter the data to be corrected and press @ J.
safe place.
I i : Converts to the hexadecimal system. OHEX�
Y The number displayed after pressing k or @ JY Do not leave exhausted batteries inside the product.
appears.during data entry or correction is the number of samples
Y Do not fit partially used batteries, and be sure not to mixFOR MORE INFORMATION ABOUT
I à : Converts to the decimal system. OBIN�, OOCT�,(n).batteries of different types.
SCIENTIFIC CALCULATOR
Y Keep batteries out of the reach of children.
and OHEX� disappear from the display.Statistical Calculation Formulas
Y Exhausted batteries left in the calculator may leak andVisit our Web site.
Conversion is performed on the displayed value when theseIn the statistical calculation formulas, an error will occur when:
damage the calculator.http://sharp-world.com/calculator/
keys are pressed.Y the absolute value of the intermediate result or calculationY Explosion risk may be caused by incorrect handling.
Note: In this calculator, the hexadecimal numbers A � F areresult is equal to or greater than 1 � 10100.Y Do not throw batteries into a fire as they may explode.
ABCDEY the denominator is zero.
entered by pressing E, N, D, ´, I,Y an attempt is made to take the square root of a negativeReplacement Procedure
F
and l, and displayed as follows:number.1. Turn the power off by pressing F.
2. Loosen both screws and remove the battery cover. (Fig. 1)
A ? a, B ? +, C ? ç, D ? , E ? é, F ? ?
ERROR AND CALCULATION RANGESFig. 1Fig. 2
In the binary, octal, and hexadecimal systems, fractional
parts cannot be entered. When a decimal number having aErrors
fractional part is converted into a binary, octal, or hexadeci-An error will occur if an operation exceeds the calculation
mal number, the fractional part will be truncated. Likewise,ranges, or if a mathematically illegal operation is attempted.
when the result of a binary, octal, or hexadecimal calculationIn the case of an error, the display will show OE�.
includes a fractional part, the fractional part will be trun-An error can be cleared by pressing a.3. Remove the used batteries then replace with two fresh
cated. In the binary, octal, and hexadecimal systems, nega-batteries with the positive sides (+) facing up. (Fig. 2)
Calculation Ranges
tive numbers are displayed as a complement.4. Replace the battery cover and screws.
Y Within the ranges specified, this calculator is accurate to5. Press a.
?1 of the least significant digit of the mantissa. However, aY Make sure that the display appears as shown below. If the
calculation error increases in continuous calculations duedisplay does not appear as shown, reinstall the batteries
COMPLEX NUMBER CALCULATIONS
to accumulation of each calculation error. (This is theand check the display once again.
xxx
To carry out addition, subtraction, multiplication, and divisionsame for y, ż , e, ln, etc., where continuous calculations
are performed internally.)
using complex numbers, press @A to select the com-
plex number mode.Additionally, a calculation error will accumulate and
become larger in the vicinity of inflection points and
Y A complex number is represented in the a + bi format. The
singular points of functions.
Oa� is the real part while the Obi� is the imaginary part.
Automatic Power Off Function
When inputting the real part, after inputting the numberY Calculation ranges
-9999
press a. When inputting the imaginary part, after in-?10 ~ ?9.999999999�10 and 0.This calculator will turn itself off to save battery power if no
putting the number press b. To obtain the result pressIf the absolute value of an entry or a final or intermediatekey is pressed for approximately 8 minutes.
=.result of a calculation is less than 10�99, the value is consid-
Y Immediately after completing calculation, you can recallered to be 0 in calculations and in the display.
the value of the real part with a, and the value of the
imaginary part with b.
Y If the complex numbers are represented as polar coordi-
nates, press @} after they are input with a
and b.
SHARP CORPORATION
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