SIMP : Indicates that a fraction can be simplified further, or7 �, �
10 @q 3 =720.8 � 2 = ANS8 * 2 =16.
expressed with a lower denominator.8 +, �SCIENTIFIC CALCULATIONS10P3 =
9 Operations end commands (such as =, M+, %, DEG,ANS2@L=256.
DEG/RAD/GRAD: Indicates angular units (Degrees, Radians5C2 =5 @Q 2 =10.
RAD, GRAD, DATA, CD)Y Select the normal mode.
and Grads) and changes each time G is pressed.4 � 5 = 0.8�(A) N 4 / 5 =0.8
Y In each example, press N to clear the display beforeA
YA parenthesized calculation section has precedence over� =@V/ 3 =1.047197551
FRACTION/SCIENTIFIC CALCULATOR? : Appears when statistical mode is selected.performing the calculation.34 � (A) + 60 � (A) = 4 *@?+ 60 /
other sections of the calculation.
M: Indicates that a numerical value is stored in the@?=78.2
MODELEL-500Mindependent memory.Arithmetic Operations� + � =1 14 @ + 5 @=0.45
4 5
INITIAL SETUP
OPERATION MANUAL
12+16�3=N 12 + 16 * 3 =60.200 � 32% =200 * 32 @%64.Calculating the Greatest Common Factor (G.C.F.)
BEFORE USING THE CALCULATOR
Mode Selectionor Least Common Multiple (L.C.M.)
350�120�4=350 - 120 / 4 =320.150 � 300 = ?% 150 / 300 @%50.
Key Notation Used in this ManualTo calculate the G.C.F. or the L.C.M., the procedures are as
Normal Mode:
INTRODUCTIONIn this manual, key operations are described as follows:72�(-12)�150=72 * 12 - 150 =�1014.200 + (200 � 32%) = 200 + 32 @%264.follows:
Used to perform arithmetic operations and function calcula-
Thank you for purchasing the SHARP Fraction/ScientificTo specify A : @Vtions.(5+21)�(30�16)= ( 5 + 21 )*What is the G.C.F. N 2424_300 � (300 � 25%) = 300 - 25 @%225.
Calculator Model EL-500M. This calculator will help youTo specify Exp: E( 30 - 16 )=364.
Statistical Mode:of 24 and 36?@ 3624GCF36_
understand mathematical concepts behind fraction calcula-
To access functions printed in orange above keys, press @Used to perform statistical operations. To enter statistical3-4Random Numbers=12.
tion, such as simplification and reduction.(6�10)�(2�10)= ( 6 E 3 )/
first.mode, press @. ? appears on the display toA pseudo-random number with three significant digits can be
After reading this manual, store it in a convenient location( 2 E 4 )=30000000.What is the L.C.M. N 1515_
In this manual, number entry examples are shown with ordi-indicate that the statistical mode is selected. To return togenerated by pressing @`=. To generate the next
for future reference.of 15 and 9?@A 915LCM9_
nary numbers (i.e., O100� will be indicated instead ofnormal mode, press @ with ? on the display.random number, press =.
Constant Calculations
Operational Notes? disappears as the calculator returns to normal mode.O100�).=45.
In constant calculations, the addend becomes a constant.
To ensure trouble-free operation, observe the following points:Angular Unit Conversions
Power On and OffY The mode will remain selected when the calculator is turnedSubtraction and division are performed in the same manner.
1. Do not carry the calculator in the back pocket of slacks orEach time @g are pressed, the angular unit changes
off.Press N to turn the calculator on, and @F to turn it off.For multiplication, the multiplicand becomes a constant.
trousers.in sequence.Calculating Quotient and Remainder
Y When executing mode selection, last answer memory will
2. Do not subject the calculator to extreme temperatures.Clearing Methodsbe cleared.Ť: Calculates the quotient and remainder.
3. Do not drop it or apply excessive force.245+60=N 245 + 60 =305.90!? [rad]N 90 @g1.570796327
There are three clearing methods as follows:
4. Clean only with a soft, dry cloth.Scientific Notation12+60=N 212 + 60 =72.? [g]@g100.23 � 5N 23 @ 523Ź5_
5. Do not use or store the calculator where fluids can splashPeople who need to deal with very large and very small num-ClearingEntryM*1STAT, ANS*2
? [!]@g90.(R: Remainder) =4.R3.
onto it.150�20=150 - 20 =130.operation(Display)bers often use a special format called exponential or scientific
250�20=250 - 20 =230.�19.5 � 49.5 @ 49.5Ź4_
notation.sin0.8 = [!]@S 0.8 =53.13010235
SHARP will not be liable nor responsible for any inciden-N��=2.R1.5
tal or consequential economic or property damage causedA number expressed in scientific notation has two parts. The200�4=200 / 4 =50.? [rad]@g0.927295218
@c�first part consists of a regular decimal number between 1 and? [g]@g59.03344706�32 � (�5)? 32 @ 5�32Ź�5_
by misuse and/or malfunctions of this product and its180�4=180 / 4 =45.
10. The second part represents how large or small the number
peripherals, unless such liability is acknowledged by law.RESET? [!]@g53.13010235=6.R�2.
is in powers of 10.15�3=15 * 3 =45.
15�10=15- 10 =150.
f Press the RESET switch (on the back) only in the follow- : Clear� : RetainWhile a calculation result is displayed in the floating pointMemory CalculationsY Pressing Ť cannot be followed by pressing a key for
ing cases. Note that pressing the RESET switch erases*1 Independent memory M.This calculator has two memory allocations: independentsystem, press @ to display the result in the scientificanother operation such as (+, �, �, �), otherwise an error
all data stored in memory.*2 Statistical data and last answer memory.memory (M), and last answer memory (ANS). You will findnotation system. Pressing @ once again will bringFunctionswill result.
back the floating point system.Y For each example, press N to clear the display.Y The calculator can display a quotient or remainder up to 5
Y Before using for the first timeY To clear the independent memory (M), press NO.them especially useful when combinations of calculations be-
To enter a number in scientific notation, press E.Y Before starting calculations, specify the angular unit.digits in length, including the O�� sign. If numbers longer
Y After replacing the batteriescome complicated, or when using the answer of previous
Y To clear all memory contentsEditing the Equationcalculation to another operations.Y The results of inverse trigonometric functions are displayedthan 5 digits are entered, normal division is performed.
within the following range:
Y If an abnormal condition occurs and all keys are inop-Y Press < or > to move the cursor.(1.2 � 10 ) � (1.5 � 10 ) 1.2 E 20 * 1.5 E 5 =1.8�10Press NO to clear the independent memory (OM� sym-20525
erative.bol will disappear).To return to the equation after getting an answer, press
�1�1< (>).3 � 7 =
¸ = sin x, ¸ = tan x¸ = cos�1 xFRACTION CALCULATIONS
If service should be required for the calculator, use only a
Y To delete a number, place the cursor on the number to be[Floating point]N 3 / 7 =0.428571428Independent memory (M)
SHARP servicing dealer, SHARP approved service facility,�01DEG�90 d ¸ d 900 d ¸ d 180
deleted, then press d.? [Scientific notation] @4.285714286�10
or SHARP repair service where available.AAO: Stores the result in the memory.Entering Fractions
RAD� 2 d ¸ d 2Y To insert a number, move the cursor to the place immedi-[TAB set to 2]@i 24.29�100 d ¸ d AY To enter fractions, use the following keys:�01NN
R: Recalls the value stored in the memory.
Hard Caseately after where the number is to be inserted, then enter? [Floating point]@0.428571428
O: Places the symbol O/� between the numerator
the number.GRAD�100 d ¸ d 1000 d ¸ d 200@;: Adds the result to the value in the memory.
and the denominator.
Y Use @ to switch to the scientific notation, press
15 + 8N 15 + 815+8_N 3 * 5 O15.M : Separates the integer (whole number) part
@i, then give a value between 0 and 9 to set thesin60[!]=Ns 60 =0.866025403
Mfrom the fractional part of a mixed number.
?<<dd15_30 + (3 � 5) =30 +R=45.decimal placement. To reset, press @i 9.
15 � 3 AGu(@V/ 4(3 � 5) � 4 =R* 4 =60.M
- 315�3_Y The number will be displayed in scientific notation if thecos�[rad]= 2
4)=0.7071067814� =N 2 O 3 =2/3
floating point value does not fit in the following range:20+10�5=N 20 + 10 - 5 O25.M 3
13 � 24 =N 13 * 24 =312.0.000000001 d | x | d 9999999999G@T 1 =M1
�1121+13�2=121 + 13 * 2 @;147.4� =4 1 O 2 =4?????1/2
DISPLAYY The last decimal digit in scientific notation will be roundedMtan 1=[g]2
?<(>)13�24G50.+) 21�3�16=21 * 3 - 16 @;47.
off.
15 � 24 =>d 5 =360.(Total)R219.MY Up to 10 key strokes, including O?� and O/�, can be used
Symbolln 20 =@I 20 =2.995732274to enter a fraction.
Determination of the Angular UnitNO
Priority Levels in CalculationIn this calculator, the following three angular units (degrees,log 50 =@l 50 =1.698970004
This calculator performs operations according to the followingradians, and grads) can be specified.e3 =@e 3 =20.08553692Last answer memory (ANS)Calculating with Fractions
priority:When = is pressed, the calculation result will automati-Fractions can be incorporated into an arithmetic calculation.
MantissaExponent1.71 Functions expressed with numerical data placed beforeDEG (°)cally be stored in the last answer memory.10 =@ 1.7 =50.11872336OSIMP� symbol will appear with a calculation result if the
(All symbols will not be displayed simultaneously, as shownPress G3 + 5 =3 @L + 5 @L=34.(such as x-1, x2, n!)22answer can be further simplified. Refer to the following sec-
xx
above.)2 y, ży@? : Recalls the value stored in last answer memory.GRAD (g)RAD(rad)tion of this manual for details.
3 A@ 32 + 3 @$
/: Appears when the entire equation cannot be dis-4 Functions expressed with numerical data placed after (such32 + 21 =6+4 = ANSN 6 + 4 =10.1 13
21 =8.415778426� + � =N 1 O 2 + 1 O 3 =5/6
played. Press </> to see the remainingas sin, cos)ANS + 5+ 5 =15.23
(hidden) section.5 Multiplications with the sign O�� omitted from the front of a7 =7 @ 4 =2401.421
� � � =2 O 5 * 1 O 3 =2/15
2ndF : Appears when @ is pressed, indicating that thefunction (such as 3cos20)53
4! =4 @!=24.
functions shown in orange are enabled.6 nCr, nPr
How to Simplify a FractionConversion from/to a FractionCorrecting Entered Data
Depth error (Error 3):BATTERY REPLACEMENTSPECIFICATIONS
Reducing to its simplest formo: Converts a decimal or improper fraction to aCorrection prior to pressing k:Y The available number of buffers was exceeded. (There are
Delete incorrect data with N.
If the result of pressing = is displayed with the OSIMP�mixed fraction.8 buffers* for numeric values and 16 buffers for calculationNotes on Battery ReplacementCalculations:General arithmetic operations (add,
symbol, the calculation can be reduced further. Use thea: Converts a mixed fraction or decimal to an im-Correction after pressing k:instructions). * 4 buffers in STAT mode.Improper handling of batteries can cause electrolyte leakagesubtract, multiply, divide, operations
a key to set the factor of the fraction to simplify, eitherproper fraction. In some cases, a decimal mayPress > to confirm the latest entry and press @Jor explosion. Be sure to observe the following handling rules:with constants, memory operations,
automatically or manually.not be converted to a fraction.to delete it.fraction operations, functionEquation too long (Error 4):
Y Replace both batteries at the same time.
Y The equation exceeded its maximum input buffer (159 char-
[Automatic Simplification]Calculating Statistical Quantitieso:Converts an improper fraction or a mixed frac-acters). An equation must be shorter than 159 characters.Y Do not mix new and old batteries.operations, statistical operations,
tion to a decimal.etc.)
1 2Y Make sure the new batteries are the correct type.
� + N =N 1 O 3 + 2 O 12 =SIMP 6/12Internal calculations:Mantissas of up to 12 digits
3 125Score Number of@c?Y When installing, orient each battery correctly as indicated in
aFACTOR?SIMP 6/124� =N 4 5 O 6 =4?????5/6Calculation RangesPersonsPending operations:16 calculations 8 numeric values
630 § 5 kn =5.the calculator.
=* 6_SIMP6/12Y Within the ranges specified below, this calculator is? [A.xxx]o4.833333333(4 numeric values in STAT mode)
30540 § 3 kn =8.Y The factory-installed batteries may be exhausted before
=1/2accurate to ?1 of the least significant digit of thePower source:3V ? (DC):
? [A/B]a29/640350 § 10 kn =18.mantissa. However, a calculation error increases in con-they reach the service life stated in the specifications.
Alkaline batteries (LR44 or
* If you do not know a common factor, press =. The1 � 3 =1 / 3 =0.333333333501060 § 12 kn =30.tinuous calculations due to accumulation of each cal-When to Replace the Batteriesequivalent) � 2
greatest common factor O6� will be displayed.601270 § 13 kn =43.culation error. (This is the same for yx, xżżżżży, etc. where? [A/B]a1/3If the display has poor contrast or nothing appears on the
Power consumption:0.0006 W
continuous calculations are performed internally.)
[Manual Simplification]701380 § 9 kn =52.display even when N is pressed, it is time to replace theOperating time:Approx. 2000 hours, when
6 � 5 =6 / 5 =1.280990 § 7 kn =59.Additionally, a calculation error will accumulate andbatteries.
1 2? [A/B]a12/10SIMP continuously displaying 55555. at
� + N =N 1 O 3 + 2 O 12 =SIMP 6/12907100 § 3 kn =62.become larger in the vicinity of inflection points andCaution25!C. (77!F)
3 12BSIMP ??
aFACTOR?SIMP 6/12? [A/C]o1???2/
[email protected] points of functions.Y Fluid from a leaking battery accidentally entering an eyeMay vary according to usage and
? [A.xxx]o1.2-9999
2 =*SIMP 23/
[email protected] Calculation range: ?10 ~ ?9.999999999�10 and 0.could result in serious injury. Should this occur, wash withother factors.
a 3 =1/21.25 + � =21.25 + 2 O 5
[email protected] the absolute value of an entry or a final or intermediateclean water and immediately consult a doctor.Operating temperature:0!C � 40!C (32!F � 104!F)
@nn =62.5�99
SIMPresult of a calculation is less than 10, the value is consid-Y Should fluid from a leaking battery come into contact withExternal dimensions: 78.6 mm (W) � 144 mm (D) � 10.5
* O2� is entered as a factor, and the OSIMP� will be displayedC? [AB/ ]o1?????65/100
@zLx =4050.ered to be 0 in calculations and in the display.your skin or clothes, immediately wash with clean water.mm (H)
to indicate further simplification of the fraction.2==1?????13/20
@wLx = 285500.Y If the product is not to be used for some time, to avoid3-3/32� (W) � 5-21/32� (D) � 13/32�
If the entered value is not a common factor, the cursor willFunctionDynamic Rangedamage to the unit from leaking batteries, remove them and(H)
be set under the value. Press d to clear the value,
Y If both the resulting digits and the function name (such assin xDEG : |x| < 1010store in a safe place.
then enter a correct common factor. Press N to returnSTATISTICAL CALCULATIONSWeight:Approx. 68 g (0.150 lb)
Lx=) cannot be contained in the display, only the resultingY Do not leave exhausted batteries inside the product.
to the OFACTOR?� display.cos x (tan x : |x| ` 90(2n�1))*(Including batteries)
value will be displayed; the function name will not be dis-Y Do not fit partially used batteries, and be sure not to mix
tan xA10To enter the statistical mode, press @. The indicatorAccessories:Batteries � 2 (installed), operationRAD : |x| < N� � 10
Now that you have learned how to reduce a fraction toplayed.180batteries of different types.symbol ? will light up. The following statistics can bemanual, quick reference card and
its simplest form, you can start using your calculator to(tan x : |x| ` � A � (2n�1))*Y Keep batteries out of the reach of children.hard case.
obtained: 2
perform fraction calculations quickly and efficiently.Y Exhausted batteries left in the calculator may leak andStatistical Calculation Formulas
10
GRAD : |x| < N � 10x : Mean of samples (x)10
229damage the calculator.LxLx � nx
5 1sx : Standard deviation of samples (x)
� + N =N 5 O 6 + 1 O 14 =SIMP 38/42x = nAx = (tan x : |x| ` 100(2n�1))*Y Explosion risk may be caused by incorrect handling.
6 14Ax: Population standard deviation of samples (x)n
=*19/21n: Number of samplesY Do not throw batteries into a fire as they may explode.
�1
sinx
Lx2 � nx2Lx = x1 + x2 + ááá + xn|x| d 1
* If = is pressed instead of a, the number will2sx = 2222cos�1xReplacement ProcedureLx: Sum of samples (x)Lx = x1 + x2 + ááá + xnFOR MORE INFORMATION
Lx: Sum of the squares of samples (x)
n � 1
automatically be reduced down to its simplest form with�11001. Turn the power off by pressing @F.tan x|x| < 10Visit us on the Internet at:
(n: number of samples)
the greatest common factor.Entering Data2. Loosen both screws and remove the bat-http://sharp-world.com/calculator/
To enter sample data, use the numeric keys and pressIn the statistical calculation formulas, an error will occur:In x�99100tery cover.
Reducing to the lowest denominator10 d x < 10log x
k(O key) after each value.Y the absolute value of the intermediate result or calculation
Prior to pressing the = key, a common denominator can100
To enter data with its frequency, use the numeric keys toresult is equal to or greater than 1 x 10 .. y > 0: �10100 < xlogy < 100
be set to organize calculations.3. Replace the old batteries with new, with
enter the value, then press §(R key), enter the fre-Y the denominator is zero.yx. y = 0: 0 < x < 10100the positive (+) sides facing up.
quency, then press k.Y an attempt is made to take the square root of a negative1
1 1. y < 0: x = n (0 < |x| < 1: � = 2n�1, x ` 0)*,
� + � = N 1 O 3 + 1 O 41/3+1/4_number.x
3 4�10 < xlog |y| < 100100
aDENOM.?SIMP 28/484. Replace the battery cover and screws.Enter the data O7� N@?
. y > 0: �10100 < � log15. Press the RESET switch on the back.
@c 77_ 48 =*16/48+12/48_y < 100 (x ` 0)x
SIMP ERROR AND CALCULATION RANGES =28/48. y = 0: 0 < x < 10100Y Make sure that the display appears
kn =1.*xży
. y < 0: x = 2n�1 (0 < |x| < 1: � = n, 1x ` 0)*,as shown. Otherwise, remove the bat-
Errorsx
* Enter a common denominator of the two fractions.There are 13 students @c 70 § 1370, 13_1001teries, reinstall, and check the dis-
�10 < � log |y| < 100
If the entered value is not a common denominator, theAn error will occur if an operation exceeds the calculationxplay again.
who scored 70 in the kn =13.100
cursor will be set under the value. Press d to clearranges, or if a mathematically illegal operation is attempted. Ifex�10 < x d 230.2585092
test, and 5 students 50 § 550, 5_
the value, then enter a correct common denominator.an error occurs, pressing < (or >) automatically moves100Automatic Power Off Functionx
Press N to return to the ODENOM.?� display.who scored 50.kn =18.the cursor back to the place in the equation where the errorThis calculator will turn its power off automatically if no key is10�10 < x < 100
occurred. Edit the equation or press N to clear the equa-x|x| < 10250
pressed for about 10 minutes.
Now that you have learned how to reduce a fraction to* The number of samples for the entered data will be dis-tion.100
żx0 d x < 10
its lowest denominator, you can start using your calcu-played.
Y Entered data are kept in memory until @c orError Codes and Error Typeslator to perform fraction calculations quickly and effi-x�1|x| < 10100 (x ` 0)
ciently.@ are pressed. Before entering new data, clear
the memory contents.Syntax error (Error 1):n!0 d n d 69*
Y If the number of the sample values exceeds 999,999,999Y An attempt was made to perform an invalid operation.1 1nPr
� + � = N 1 O 3 + 1 O 41/3+1/4_0 d r d n d 69*
3 4On=� will not appear.Ex. 2 +- 5 =nCr
aDENOM.?SIMP 28/48
Y When inputting a formula as a sample value with frequency,
=* 12_SIMP 28/parenthesize the data.Calculation error (Error 2):DRGDEG? RAD, GRAD? DEG : |x| < 10100
A98
48 =4/12+3/12_Y The absolute value of an intermediate or final calculationRAD? GRAD : |x| < � � 102
Example: ( A * B ) frequency k
100.
=7/12result equals or exceeds 10* n, r: positive integers
Y An attempt was made to divide by 0.
* If = is pressed instead of a number entry, the leastY The calculation ranges were exceeded while performing
common denominator will automatically be displayed.calculations.
SHARP CORPORATION
EL-5EL500M_en_new.pm6500M_EN104.9.10, 1:14 PM
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