Selecting the Display Notation and Decimal PlacesBinary, Octal, Decimal, and Hexadecimal Operations
ENGLISHERROR AND CALCULATION RANGES
The calculator has four display notation systems for displaying(N-Base)(10)
SCIENTIFIC CALCULATORThis calculator can perform conversions between numbers ex-Errorscalculation results. When FIX, SCI, or ENG symbol is displayed,
MODELEL-520Vpressed in binary, octal, decimal and hexadecimal systems. It canAn error will occur if an operation exceeds the calculation ranges,the number of decimal places can be set to any value between 0
also perform the four basic arithmetic operations, calculations withand 9. Displayed values will be reduced to the corresponding
OPERATION MANUALor if a mathematically illegal operation is attempted. When an errornumber of digits.
parentheses and memory calculations using binary, octal, decimal,occurs, pressing < (or >) automatically moves the cursor
and hexadecimal numbers. In addition, the calculator can carry out
PRINTED IN CHINA / IMPRIM? EN CHINEback to the place in the equation where the error occurred. Edit the100000�3=
the logical operations AND, OR, NOT, NEG, XOR and XNOR on
00LUP (TINSK0435EHZZ)[Floating point]a100000/3= 33333.33333equation or press a to clear the equation.
binary, octal and hexadecimal numbers.
? [FIXed decimal point] @f33333.33333
Conversion to each system is performed by the following keys:Error Codes and Error Types
[TAB set to 2]@i 233333.33
? [SCIentific notation] @f3.33�104@e: Converts to the binary system. O � appears.
INTRODUCTIONSyntax error (Error 1):3
? [ENGineering notation]@f33.33�10Y- An attempt was made to perform an invalid operation.
@î: Converts to the octal system. O � appears.
? [Floating point]@f33333.33333
About operation examples, please refer to the attached sheet.Ex. 2 @{
@i: Converts to the hexadecimal system. O � appears.
Refer to the number on the right of each title for use.
Y If the value for floating point system does not fit in the following
After reading this manual, store it in a convenient location for futureCalculation error (Error 2):@Ã: Converts to the decimal system. O Ã�, O Ã�, and O Ã�
range, the calculator will display the result using scientific notationY The absolute value of an intermediate or final calculation result equals
reference.disappear from the display.100
system:or exceeds 10.
Conversion is performed on the displayed value when these keys
0.000000001 d | x | d 9999999999Y An attempt was made to divide by 0.
Operational Notesare pressed.Y The calculation ranges were exceeded while performing calculations.
To ensure trouble-free operation, please observe the followingNote: In this calculator, the hexadecimal numbers A � F are entered
Determination of the Angular Unit
points:Depth error (Error 3):
1. Do not carry the calculator in the back pocket of slacks orIn this calculator, the following three angular units can be speci-by pressing ?, N, �, é, ç, and a,Y The available number of buffers was exceeded. (There are 8 buffers*
trousers.fied.and displayed as follows:for numeric values and 16 buffers for calculation instructions). *4
buffers in STAT and the complex number mode.
2. Do not subject the calculator to extreme temperatures.DEG (°)
3. Do not drop it or apply excessive force.A ? i, B ? +, C ? ó, D ? o, E ? ô, F ? ö
Equation too long (Error 4):
4. Clean only with a soft, dry cloth.Press G
Y The equation exceeded its maximum input buffer (142 characters).
5. Do not use or store the calculator where fluids can splash onto it.GRAD (g)RAD(Radians)In the binary, octal, and hexadecimal systems, fractional parts can-An equation must be shorter than 142 characters.
Press the RESET switch only in the following cases:not be entered. When a decimal number having a fractional part is
Y When using for the first timeconverted into a binary, octal, or hexadecimal number, the fractional
Y After replacing the batteriespart will be truncated. Likewise, when the result of a binary, octal, orCalculation Ranges(19)
Y To clear all memory contentshexadecimal calculation includes a fractional part, the fractional partRefer also to the operation examples sheet.
Y When an abnormal condition occurs and all keys are inopera-will be truncated. In the binary, octal, and hexadecimal systems,Y Within the ranges specified, this calculator is accurate to ?1 in
SCIENTIFIC CALCULATIONS
tive.negative numbers are displayed as a complement.the least significant digit of the mantissa. When performing con-
If service should be required on this calculator, use only a SHARPY Press @ m 0 to select the normal mode.tinuous calculations (including chain calculations), errors accu-
servicing dealer, SHARP approved service facility, or SHARP re-Y In each example, press a to clear the display. And if the FIX,Time, Decimal and Sexagesimal Calculations(11)mulate leading to reduced accuracy.
pair service where available.SCI, or ENG indicator is displayed, clear the indicator by press-Y Calculation rangesConversion between decimal and sexagesimal numbers can be
-99 � ?9.999999999�1099 and 0.
ing @ f.?10performed. In addition, the four basic arithmetic operations and
If the absolute value of an entry or a final or intermediate result of a
Hard Casememory calculations can be carried out using the sexagesimal�99
calculation is less than 10, the value is considered to be 0 in
Arithmetic Operations(2)system.
calculations and in the display.
Y The closing parenthesis ) just before = or ; may be
omitted.Coordinate Conversions(12)
Y Before performing a calculation, select the angular unit.
Constant Calculations(3)
YYBATTERY REPLACEMENT
Y In the constant calculations, the addend becomes a constant.P (x,y )P (r,¸ )
r
Subtraction and division are performed in the same manner. Fory?
multiplication, the multiplicand becomes a constant.0X0¸XNotes on Battery Replacement
x
Y When performing calculations using constants, constants will beImproper handling of batteries can cause electrolyte leakage or
displayed as K.Rectangular coord.Polar coord.explosion. Be sure to observe the following handling rules:
DISPLAYY Replace both batteries at the same time.
Y The calculation result is automatically stored in memories X and Y.Y Do not mix new and old batteries.
Functions(4)
Value of r or x: X memoryY Make sure the new batteries are the correct type.
SymbolY Refer to operation examples of each function.Value of ¸ or y: Y memory
EquationY Before starting calculation, specify the angular unit.Y When installing, orient each battery properly as indicated in the
DisplayY The results of inverse trigonometric functions are displayed withincalculator.
the following range:Modify Function(13)
In this calculator, all calculation results are internally obtained inWhen to Replace the Batteries
MantissaExponent¸ = sin�1 x, ¸ = tan�1 x¸ = cos�1 xscientific notation with up to 12 digits for the mantissa. However,If the display has poor contrast or nothing appears on the display
since calculation results are displayed in the form designated byeven when a is pressed in dim lighting, it is time to replace the
DEG�90 d ¸ d 900 d ¸ d 180
(During actual use not all symbols are displayed at the same time.)the display notation and the number of decimal places indicated,batteries.
If the value of mantissa does not fit within the range ?0.000000001NANARAD� d ¸ d 0 d ¸ d Athe internal calculation result may differ from that shown in the
22
� ?9999999999, the display changes to scientific notation. Thedisplay. By using the modify function, the internal value is con-Caution
display mode can be changed according to the purpose of theGRAD�100 d ¸ d 1000 d ¸ d 200verted to match that of the display, so that the displayed value canY Keep batteries out of the reach of children.
calculation.be used without change in subsequent operations.Y Exhausted batteries left in the calculator may leak and damage
the calculator.
Differential/Integral Functions(5)
/:Appears when the entire equation cannot be displayed.Y Explosion risk may be caused by incorrect handling.
Press </> to see the remaining (hidden) section.Differential and integral calculations are only available in the normalY Batteries must be replaced only with others of the same type.
mode. For calculation conditions such as the x value in differentialCOMPLEX NUMBER CALCULATIONS(14)Y Do not throw batteries into a fire as they may explode.
xy/r¸:Indicates the mode of expression of results in the com-
calculation or the initial point in integral calculation, only numerical
plex calculation mode.2
values can be entered and equations such as 2 cannot be speci-To carry out addition, subtraction, multiplication, and division using com-
Replacement Procedure
2ndF :Appears when @ is pressed, indicating that the func-fied. It is possible to reuse the same equation over and over againplex numbers, press @m1 to select the complex number
1. Turn the power off by pressing @ F.
tions shown in orange are enabled.and to recalculate by only changing the conditions without re-enter-mode.
2. Remove two screws. (Fig. 1)
ing the equation.There are two modes of expression of the results of complex number
HYP: Indicates that h has been pressed and the hyperbolic3. Slide the battery cover slightly and lift it to remove.
functions are enabled. If @ ? are pressed, thecalculations.Y When performing a calculation, the value stored in the X memory4. Remove the used batteries by prying them with a ball-point pen
symbols O2ndF HYP� appear, indicating that inverse hy-1 Rectangular coordinate mode. (xy appears on the display.)will be cleared.or other similar pointed device. (Fig. 2)
perbolic functions are enabled.@}Y When performing a differential calculation, enter formula first5. Install two new batteries. Make sure the O+� side facing up.
2 Polar coordinate mode. (r¸ appears on the display.)
ALPHA:Indicates that @ K or O (R) has been@{and then enter x value in differential calculation and minute6. Replace the cover and screws.
interval (dx). If a numerical value is not specified for minute
pressed, and entry (recall) of memory contents and recall7. Press the RESET switch (on the back).
interval, x`0 will be x�10�4 and x=0 will be 10�4 from the value of
of statistics can be performed.Y Make sure that the display appears as shown below. If the
the numeric derivative.Complex number entrydisplay does not appear as shown, remove the batteries reinstall
FIX/SCI/ENG: Indicates the notation used to display a value andY When performing a integral calculation, enter formula first and1Rectangular coordinatesthem and check the display once again.
changes each time @ f are pressed.then enter a range of integral (a, b) and subintervals (n). If ax-coordinate + y-coordinate �
DEG/RAD/GRAD: Indicates angular units and changes each timenumerical value is not specified for subintervals, calculation willor x-coordinate + � y-coordinate
G is pressed.be performed using n=100.2 Polar coordinates
r � ¸
STAT:Appears when statistics mode is selected.Since differential and integral calculations are performed based onr: absolute value
the following equations, correct results may not be obtained, in
M: Indicates that a numerical value is stored in the inde-¸: argument
certain rare cases, when performing special calculations which
pendent memory.Y Upon changing to another mode, the imaginary portion of any(Fig. 1)(Fig. 2)
contain discontinuous points.
:Appears when the calculator shows the angle as a resultcomplex number stored in the independent memory (M) will be
in the complex calculation mode.Integral calculation (SimpsonOs rule):cleared.
Y A complex number expressed in rectangular coordinates with
i:Indicates an imaginary number is being displayed in the
the y-value equal to zero, or expressed in polar coordinates with
complex calculation mode.1S=N h{?(a)+4{?(a+h)+?(a+3h)+áááááá+?(a+(N�1)h)}ë b� aë
the angle equal to zero, is treated as a real number.
3ih=iN
ii
iN=2ni
+2{?(a+2h)+?(a+4h)+áááááá+?(a+(N�2)h)}+f(b)}ii
Ãad xd bÃ
BEFORE USING THE CALCULATOR
Differential calculation:STATISTICAL CALCULATIONS
dxdx
f(x+��)�f(x���)Automatic Power Off Function
22
Key Notation Used in this ManualfO(x)=NNNNNNNNStatistical calculations are performed in the statistics mode. PressThis calculator will turn itself off to save battery power if no key is
dxpressed for approximately 10 minutes.
In this manual, key operations are described as follows:@m2 to select the statistics mode. This calculator per-
[When performing integral calculations]forms the seven statistical calculations indicated below. After se-
ex XETo specify ex:@eIntegral calculations, depending on thelecting the statistics mode, select the desired sub-mode by press-
To specify E (HEX) : E
lnintegrands and subintervals included, requireing the number key corresponding to your choice.
To specify lnI:
longer calculation time. During calculation,When changing to the statistical sub-mode, press the correspond-SPECIFICATIONS
To specify X@KX:
OCalculating!� will be displayed. To cancel cal-ing number key after performing the operation to select the statis-
Functions that are printed in orange above the key require @ toyculation, press a. In addition, please notetics mode (press @m2).Calculations:Scientific calculations, complex number
be pressed first before the key. Numbers are not shown as keys,that there will be greater integral errors when0 (STAT 0) : Single-variable statisticscalculations, statistical calculations, etc.
but as ordinary numbers.there are large fluctuations in the integral val-Internal calculations:Mantissas of up to 12 digits
ues during minute shifting of the integral range1 (STAT 1) : Linear regression calculation
and for periodic functions, etc., where positivePending operations:16 calculations 8 numeric values
Power On and Off2 (STAT 2) : Quadratic regression calculation
and negative integral values exist dependingx(4 numeric values in STAT and complex
Press a to turn the calculator on, and @ F to turn it off.abxx13 (STAT 3) : Exponential regression calculation
on the interval.0x2number mode)
For the former case, divide integral intervalsx34 (STAT 4) : Logarithmic regression calculationPower source:Built-in solar cells
Clearing Methodsas small as possible. For the latter case,xy
0x25 (STAT 5) : Power regression calculation
There are three clearing methods as follows:separate the positive and negative values.b3V ? (DC):
6 (STAT 6) : Inverse regression calculationBackup batteries (Alkaline batteries (LR44)
ClearingEntry1M*A-D, X,Y*2Following these tips will allow results of cal-ax� 2)
culations with greater accuracy and will alsox13x
operation(Display)STAT, ANSThe following statistics can be obtained for each statistical calcula-
shorten the calculation time.Operating temperature: 0!C � 40!C (32!F � 104!F)
tion (refer to the table below):
a��External dimensions: 78.6 m m (W) � 152 mm (D) � 10.5 mm (H)
Random Numbers3-3/32� (W) � 5-31/32� (D) � 13/32� (H)
@c�Single-variable statistical calculation(15)
A pseudo-random number with three significant digits can be gen-Weight: Approx. 78 g ( 0.172 lb)
RESETerated by pressing @`=. To generate the next randomStatistics of 1(Including batteries)
number, press =. You can perform this function in the normalAccessories:Batteries � 2 (installed), operation
: Clear� : Retainand statistics modes. (You cannot perform this function while youLinear regression calculation(16)manual, operation examples sheet, quick
are using the N-Base function.)Statistics of 1 and 2 and, in addition, estimate of y for a given x
*1 Independent memory M.reference card and hard case
(estimate y?) and estimate of x for a given y (estimate x?)
*2 Temporary memories A-D, X and Y, statistical data, and last an-Y Random numbers use memory Y. Each random number is gen-
swer memory.erated on the basis of the value stored in memory Y (pseudo-
random number series).Exponential regression, Logarithmic regression,
Editing the EquationPower regression, and Inverse regression calculationFOR MORE INFORMATION ABOUT THIS
Angular Unit Conversions(6)
Y Press < or > to move the cursor. You can also return toStatistics of 1 and 2 . In addition, estimate of y for a given x andCALCULATOR
the equation after getting an answer by pressing > (<).Each time @g are pressed, the angular unit changes inestimate of x for a given y. (Since the calculator converts each
See below for Multi-line playback function.sequence.formula into a linear regression formula before actual calculationVisit our Web site.
Y If you need to delete a number, move the cursor to the numbertakes place, it obtains all statistics, except coefficients a and b,http://sharp-world.com/calculator/
you wish to delete then press d.Memory Calculations(7)from converted data rather than entered data.)
The number under the cursor will be deleted.This calculator has 6 temporary memories (A-D, X and Y), one
Y If you need to insert a number, move the cursor to the placeindependent memory (M) and one last answer memory (ANS).Quadratic regression calculation(17)
immediately after where you wish to insert the number then enterStatistics of 1 and 2 and coefficients a, b, c in the quadratic
the number.ModeANSMA-D, X,Yregression formula (y = a + bx + cx2). (For quadratic regression
calculations, no correlation coefficient (r) can be obtained.) When
Normal
Multi-line Playback function(1)there are two x? values, press @`.
This calculator is equipped with a function to recall previous equa-Complex�When performing calculations using a, b and c, only one numeric
tions. Equations also include calculation ending instructions suchvalue can be held.
Statistic��
as O=� and a maximum of 142 characters can be stored in memory.
xMean of samples (x data)
When the memory is full, stored equations are deleted in the order
sxSample standard deviation (x data)
of the oldest first. Pressing [ will display the previous equation : Available� : Unavailable
and the answer. Further pressing [ will display preceding equa-1AxPopulation standard deviation (x data)
tions (after returning to the previous equation, press ] to view[Temporary memories (A-D, X and Y)]nNumber of samples
equations in order). In addition, @[ can be used to jump toA stored value can be recalled as a value or variable for the use inLxSum of samples (x data)
the oldest equation.equations.Lx2Sum of squares of samples (x data)
Y The multi-line memory is cleared by the following operations:Y In case you store an infinite decimal in the memory, recall it as ayMeans of samples (y data)
@c, @F (including the Automatic Power Off fea-variable to obtain accurate answers.sySample standard deviation (y data)
ture), mode change, RESET, @`, @?, constant
Ex.) 1 / 3 O Y(0.3333...is stored to Y)AyPopulation standard deviation (y data)
calculation, differential/integral calculation, angle conversion/
LySum of samples (y data)
change, N-base conversion, coordinate conversion, numerical3 * R Y =0.999999999
value storage to the temporary memories and independent3 * @ K Y =1.2Ly2Sum of squares of samples (y data)
memory, and input/deletion of statistical data.LxySum of products of samples (x, y)
[Independent memory (M)]rCorrelation coefficient
In addition to all the features of temporary memories, a value can
Priority Levels in CalculationaCoefficient of regression equation
be added to or subtracted from an existing memory value.
This calculator performs operations according to the following pri-bCoefficient of regression equation
ority:[Last answer memory (ANS)]cCoefficient of quadratic regression equation
-12
1 2 Functions preceded by their argument (x, x, n!, etc.) 3The calculation result obtained by pressing = or any other
Yx, xż 4 Implied multiplication of a memory value (2Y, etc.) 5Entered data are kept in memory until @ c or @ mcalculation ending instruction is automatically stored in the last
Functions followed by their argument (sin, cos, etc.) 6 Implied2 are pressed. Before entering new data, clear the memoryanswer memory.
multiplication of a function (2sin30, etc.) 7 nCr, nPr 8 �, � 9 +, �contents.
F AND G OR, XOR, XNOR H =, M+, M�, O M, |DEG, |RAD,Note:
|GRAD, DATA, CD, ? r¸, ? xy and other calculation ending in-[Data Entry]Calculation results from the functions indicated below are auto-
structionSingle-variable datamatically stored in memories X or Y. For this reason, when using
Y If parentheses are used, parenthesized calculations have prec-Data kthese functions, be careful with the use of memories X and Y.
edence over any other calculations.Data & frequency k (To enter multiples of the same
Y Random numbers .................. Y memory
data)
Y ? r¸, ? xy ............................... X memory, Y memory
Two-variable data
Temporary memories and last answer memory are cleared evenData x & Data y k
when the same mode is reselected.Data x & Data y & frequency k (To enter multiples
INITIAL SETUP
of the same data x and y.)
Chain Calculations(8)
Mode Selection[Data Correction]
This calculator allows the previous calculation result to be used in
Correction prior to pressing k:
Normal mode (NORMAL): @m0the following calculation.Delete incorrect data with a.
Used to perform arithmetic operations and function calculations.The previous calculation result will not be recalled after entering
Correction after pressing k:
multiple instructions.
Complex number mode (CPLX): @m1Press > to confirm the latest entry and press @ J to
Used to perform arithmetic operations with complex numbers.delete it.
Fraction Calculations(9)
Statistic mode (STAT): @m2
This calculator performs arithmetic operations and memory calcu-
Used to perform statistical calculations.Statistical Calculation Formulas(18)
lations using a fraction, and conversion between a decimal number
Refer also to the operation examples sheet.
When executing mode selection, temporary memories, statisticaland a fraction.
data and last answer memory will be cleared even when reselectingY In all cases, a total of up to 10 digits including integer, numera-TypeRegression formula
the same mode.tor, denominator and the symbol (l) can be entered.Lineary = a + bx
Y If the number of digits to be displayed is greater than 10, theExponential y = a Y ebx
number is converted to and displayed as a decimal number.Logarithmic y = a + b Y ln x
Y A decimal number, variable, or exponent cannot be used in ab
Powery = a Y x
fraction.
1
Inversey = a + b N
x
Quadraticy = a + bx + cx2
In the statistical calculation formulas, an error will occur when:
Y the absolute value of the intermediate result or calculation result
is equal to or greater than 1 � 10100.
Y the denominator is zero.
Y an attempt is made to take the square root of a negative number.
Y no solution exists in the quadratic regression calculation.
EL-520V (K0435E)_ENGLISH_11234567890., 1234567890.,
1234567890., 1234567890.,
1234567890., 1234567890., |
ACEC
