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INTRODUCTION Thank you for purchasing the SHARP Scientiﬁ c Calculator ModelEL-509W/531W/531WG/531WH.About the calculation examples (including some formulas andtables), refer to the reverse side of this English manual. Refer tothe number on the right of each title on the manual for use.After reading this manual, store it in a convenient location forfuture reference.Note: Some of the models described in this manual may not beavailable in some countries.Operational Notes • Do not carry the calculator around in your back pocket, as itmay break when you sit down. The display is made of glassand is particularly fragile.• Keep the calculator away from extreme heat such as on a cardashboard or near a heater, and avoid exposing it to exces-sively humid or dusty environments.• Since this product is not waterproof, do not use it or store itwhere ﬂ uids, for example water, can splash onto it. Raindrops,water spray, juice, coffee, steam, perspiration, etc. will alsocause malfunction.• Clean with a soft, dry cloth. Do not use solvents or a wet cloth.• Do not drop it or apply excessive force.• Never dispose of batteries in a ﬁ re.• Keep batteries out of the reach of children.• This product, including accessories, may change due to up-grading without prior notice.NOTICE • SHARP strongly recommends that separate permanentwritten records be kept of all important data. Data may belost or altered in virtually any electronic memory productunder certain circumstances. Therefore, SHARP assumesno responsibility for data lost or otherwise rendered unusablewhether as a result of improper use, repairs, defects, batteryreplacement, use after the speciﬁ ed battery life has expired,or any other cause.• SHARP will not be liable nor responsible for any incidentalor consequential economic or property damage causedby misuse and/or malfunctions of this product and itsperipherals, unless such liability is acknowledged by law.♦Press the RESET switch (on the back), with the tip of a ball-point pen or similar object, only in the following cases. Do notuse an object with a breakable or sharp tip. Note that pressingthe RESET switch erases all data stored in memory.• When using for the ﬁ rst time• After replacing the batteries• To clear all memory contents• When an abnormal condition occurs and all keys are inop-erative.If service should be required on this calculator, use only aSHARP servicing dealer, SHARP approved service facility, orSHARP repair service where available.Hard Case DISPLAY • During actual use, not all symbols are displayed at the sametime.• Certain inactive symbols may appear visible when viewedfrom a far off angle.• Only the symbols required for the usage under instruction areshown in the display and calculation examples of this manual.PRINTED IN CHINA / IMPRIMÉ EN CHINE / IMPRESO EN CHINA10EGK (TINSE1377EH01)SCIENTIFIC CALCULATOR OPERATION MANUAL ### EL-509W

### EL-531W

### EL-531WG

### EL-531WH

MODEL Front side_English manualExponentEquation→DisplayMantissa←Symbol: Appears when the entire equation cannot be displayed.Press</>to see the remaining (hidden) section.: Indicates that data can be visible above/below the screen.These indications may appear when menu, multi-line play-back, and statistics data are displayed. Press[/]to scroll up/down the view.2ndF : Appears when@is pressed, indicating that the func-tions shown in orange are enabled.HYP : Indicates thathhas been pressed and the hyperbolicfunctions are enabled. If@Hare pressed, thesymbols “2ndF HYP” appear, indicating that inverse hy-perbolic functions are enabled.ALPHA: Indicates thatK(STAT VAR),OorRhas beenpressed, and entry (recall) of memory contents and recallof statistics can be performed.FIX/SCI/ENG: Indicates the notation used to display a value andchanges by SET UP menu.DEG/RAD/GRAD: Indicates angular units and changes each timeGis pressed.STAT: Appears when statistics mode is selected.M : Indicates that a numerical value is stored in the independ-ent memory.BEFORE USING THE CALCULATOR Key Notation Used in this Manual In this manual, key operations are described as follows:To specifyex:@eTo specify ln :ITo specify F :KüFunctions that are printed in orange above the key require@to be pressed ﬁ rst before the key. When you specify the memory,pressKﬁ rst. Numbers for input value are not shown as keys,but as ordinary numbers.Power On and Off Pressªto turn the calculator on, and@Fto turn it off.Clearing the Entry and Memories Clearing methods are described in the table as follows:Clearing Entry M*1A-F, X,Y*2STAT*4operation (Display) ANS*3STAT VA R*5ª× × ×@c×@∏00*6@∏10*7RESET switch: Clear×: Retain*1Independent memory M.*2Temporary memory A-F, X and Y.*3Last answer memory.*4Statistical data (entered data).*5¯x,sx,σx,n,Σx,Σx2,¯y,sy,σy,Σy,Σy2,Σxy,r,a,b,c.*6All variables are cleared. See ‘About the Memory clear key’ fordetails.*7This key combination functions the same as the RESET switch.See ‘About the Memory clear key’ for details.[About the Memory clear key]Press@∏to display the menu.• To clear all variables (M, A-F, X, Y, ANS, STAT VAR), press00or0®.• To RESET the calculator, press10or1®.The RESET operation will erase all data stored in memory, andrestore the calculator's default setting.Entering and Correcting the Equation [Cursor keys]• Press<or>to move the cursor. You can also return tothe equation after getting an answer by pressing>(<).See the next section for using the[and]keys.• In the SET UP menu and other locations, use the<or>key to move the ﬂ ashing cursor, then press®(=key).If you need to scroll up/down the view, use the[or]key.[Insert mode and Overwrite mode in the Equation display]• This calculator has two editing modes: insert mode (default),and overwrite mode. Pressing@‘switches between thetwo modes. A triangular cursor indicates that an entry will beinserted at the cursor, while the rectangular cursor indicates tooverwrite preexisting data as you make entries.• To insert a number in the insert mode, move the cursor to theplace immediately after where you wish to insert, then make adesired entry. In the overwrite mode, data under the cursor willbe overwritten by the number you enter.• This mode setting will be retained until the next RESET operationis executed.MEMRESET ## 0

1[Deletion key]•To delete a number/function, move the cursor to the number/func-tion you wish to delete, then pressd. If the cursor is located atthe right end of an equation, thedkey will function as a backspace key.Multi-line Playback function This calculator is equipped with a function to recall previous equa-tions in the normal mode. Equations also include calculation endinginstructions such as “=” and a maximum of 142 characters can bestored in memory. When the memory is full, stored equations aredeleted in the order of the oldest ﬁ rst. Pressing[will displaythe previous equation and the answer. Further pressing[willdisplay preceding equations (after returning to the previous equa-tion, press]to view equations in order). In addition,@[can be used to jump to the oldest equation.• To edit an equation after recalling it, press>(<).• To edit the displayed equation, press>(<) immediatelyafter obtaining a calculation answer.• The multi-line memory is cleared by the following operations:@c,@F(including the Automatic Power Off fea-ture), mode change, memory clear (@∏), RESET,@`,K(R)?, constant calculation, chain calcula-tion, angle unit conversion, coordinate conversion, N-base con-version, numerical value storage to the temporary memories andindependent memory, and input/deletion of statistical data.Priority Levels in Calculation This calculator performs operations according to the following priority:QFractions (1l4, etc.)WFunctions preceded by their argument(x-1, x2, n!, etc.)EYx,x¿RImplied multiplication of a memoryvalue (2Y, etc.)VFunctions followed by their argument (sin, cos,etc.)YImplied multiplication of a function (2sin30, etc.)UnCr,nPrI×,÷O+, –PAND{OR, XOR, XNOR}=, M+, M–,⇒M,|DEG,|RAD,|GRAD, DATA, CD,→rθ,→xy and other calcula-tion ending instructions• If parentheses are used, parenthesized calculations have prec-edence over any other calculations.INITIAL SET UP Mode Selection Normal mode (NORMAL):m0Used to perform arithmetic operations and function calculations.Statistics mode (STAT):m1Used to perform statistical calculations.When executing mode selection, temporary memories, statisticalvariables, statistical data and last answer memory will be clearedeven when reselecting the same mode.SET UP menu Press”to display the SET UP menu.• A menu item can be selected by:• moving the ﬂ ashing cursor by using><, then press®(=key), or• pressing the number key corresponding to the menu item number.• Iforis displayed on the screen, press[or]toview the previous/next menu screen.• Pressªto exit the SET UP menu.[Selecting the Display Notation and Decimal Places]The calculator has four display notation systems (Floating point,Fixed decimal point, Scientiﬁ c notation and Engineering notation)for displaying calculation results.•When the FIX, SCI, or ENG symbol is displayed, the number ofdecimal places (TAB) can be set to any value between 0 and 9.Displayed values will be reduced to the corresponding number ofdigits.• If a ﬂ oating point number does not ﬁ t in the speciﬁ ed range,the calculator will display the result using the scientiﬁ c notation(exponential notation) system. See ‘Setting the Floating PointNumbers System in Scientiﬁ c Notation’ for details.• Press”, followed by0, to display the following sub-menu:[Setting the Floating Point Numbers System in Scientiﬁ c Notation]The calculator has two settings for displaying a ﬂ oating point number:NORM1 (default setting) and NORM2. In each display setting, anumber is automatically displayed in scientiﬁ c notation outside apreset range:• NORM1: 0.0000000019999999999• NORM2: 0.019999999999100000÷3=[Floating point (NORM1)]ª100000/3=33’333.33333→[Fixed decimal point]”0033’333.33333[TAB set to 2]”12 33’333.33→[SCIentiﬁ c notation]”013.33×1004→[ENGineering notation]”0233.33×1003→[Floating point (NORM1)]”0333’333.333333÷1000=[Floating point (NORM1)]ª3/1000=0.003→[Floating point (NORM2)]”043.×10–03→[Floating point (NORM1)]”030.003FSETA B0FIXSCIENG012NORM1 NORM2 ## 3

4→]Determination of the Angular Unit In this calculator, the following three angular units (degrees,radians, and grads) can be speciﬁ ed.DEG (°)GRAD (g) RADPress G(rad)SCIENTIFIC CALCULATIONS • Pressm0to select the normal mode.• In each example, pressªto clear the display. And if theFIX, SCI, or ENG indicator is displayed, clear the indicator byselecting ‘NORM1’ from the SET UP menu.Arithmetic Operations • The closing parenthesis)just before=or;maybe omitted.Constant Calculations • In constant calculations, the addend becomes a constant.Subtraction and division are performed in the same manner.For multiplication, the multiplicand becomes a constant.• When performing calculations using constants, constants willbe displayed as K.Functions • Refer to the calculation examples of each function.• Before starting calculations, specify the angular unit.Random Function The Random function has four settings for use in the normal orstatistics mode. (This function cannot be selected while using theN-Base function.) Pressªto exit.• The generated pseudo-random number series is stored inmemory Y. Each random number is based on a number series.[Random Numbers]A pseudo-random number, with three signiﬁ cant digits from 0 upto 0.999, can be generated by pressing@`0®.To generate the next random number, press®.[Random Dice]To simulate a die-rolling, a random integer between 1 and 6 canbe generated by pressing@`1®. To generatethe next random dice number, press®.[Random Coin]To simulate a coin ﬂ ip, 0 (head) or 1 (tail) can be randomlygenerated by pressing@`2®. To generate thenext random coin number, press®.[Random Integer]An integer between 0 and 99 can be generated randomly bypressing@`3®. To generate the next randominteger number, press®.Angular Unit Conversions Each time@gare pressed, the angular unit changes insequence.Memory Calculations This calculator has 8 temporary memories (A-F, X and Y), oneindependent memory (M) and one last answer memory (ANS).The independent memory and temporary memories are only avail-able in the normal mode.[Temporary memories (A-F, X and Y)]PressOand a corresponding variable key to store a value inmemory.PressRand a corresponding variable key to recall a valuefrom the memory.To place a variable in an equation, pressK, followed by adesired variable key.[Independent memory (M)]In addition to all the features of temporary memories, a value canbe added to or subtracted from an existing memory value.PressªOMto clear the independent memory (M).[Last answer memory (ANS)]The calculation result obtained by pressing=or any othercalculation ending instruction is automatically stored in the lastanswer memory.Note:• Calculation results from the functions indicated below are au-tomatically stored in memories X or Y. For this reason, whenusing these functions, be careful with the use of memories Xand Y.• Random function .................Y memory•→rθ,→xy..............................X memory (rorx),Y memory (θory)• Temporary memories and last answer memory are clearedeven when the same mode is reselected.• Use ofRorKwill recall the value stored in memoryusing up to 14 digits.Chain Calculations • This calculator allows the previous calculation result to beused in the following calculation.• The previous calculation result will not be recalled after enter-ing multiple instructions.• In the case of utilizing postﬁ x functions (¿, sin, etc.), you canperform a chain calculation even when the previous calculationresult is cleared by the use of theªkey.Fraction Calculations This calculator performs arithmetic operations and memorycalculations using fractions, and conversion between a decimalnumber and a fraction.• If the number of digits to be displayed is greater than 10, thenumber is converted to and displayed as a decimal number.Binary, Pental, Octal, Decimal, and Hexadecimal Operations (N-Base) This calculator can perform conversions between numbersexpressed in binary, pental, octal, decimal and hexadecimalsystems. It can also perform the four basic arithmetic operations,calculations with parentheses and memory calculations usingbinary, pental, octal, decimal, and hexadecimal numbers. In ad-dition, the calculator can carry out the logical operations AND,OR, NOT, NEG, XOR and XNOR on binary, pental, octal andhexadecimal numbers.Conversion to each system is performed by the following keys:@ê: Converts to the binary system. “” appears.@û: Converts to the pental system. “ ” appears.@î: Converts to the octal system. “” appears.@ì: Converts to the hexadecimal system. “” appears.@í: Converts to the decimal system. “”, “ ”, “ ”, and“” disappear from the display.Conversion is performed on the displayed value when these keysare pressed.Note: In this calculator, the hexadecimal numbers A – F areentered by pressing™A,⁄B,LC,÷D,lE, andIF, and displayed as follows:A→ï, B→∫, C→ó, D→ò, E→ô, F→öIn the binary, pental, octal, and hexadecimal systems, fractionalparts cannot be entered. When a decimal number having a frac-tional part is converted into a binary, pental, octal, or hexadeci-mal number, the fractional part will be truncated. Likewise, whenthe result of a binary, pental, octal, or hexadecimal calculationincludes a fractional part, the fractional part will be truncated.In the binary, pental, octal, and hexadecimal systems, negativenumbers are displayed as a complement.Time, Decimal and Sexagesimal Calculations Conversion between decimal and sexagesimal numbers can beperformed. In addition, the four basic arithmetic operations andmemory calculations can be carried out using the sexagesimalsystem.Notation for sexagesimal is as follows:degree secondminuteCoordinate Conversions • Before performing a calculation, select the angular unit.↔P (x,y )XY0yxP (r,θ)XY0rθ• The calculation result is automatically stored in memories Xand Y.Value ofrorx: X memoryValue ofθory: Y memoryModify Function In this calculator, calculation results are internally obtained inscientiﬁ c notation with up to 14 digits for the mantissa. However,since calculation results are displayed in the form designated bythe display notation and the number of decimal places indicated,the internal calculation result may differ from that shown in thedisplay. By using the modify function, the internal value is con-verted to match that of the display, so that the displayed valuecan be used without change in subsequent operations.STATISTICAL CALCULATIONS Statistical calculations are performed in the statistics mode.Pressm1to select the statistics mode. This calculatorperforms the seven statistical calculations indicated below. Afterselecting the statistics mode, select the desired sub-mode bypressing the number key corresponding to your choice.When changing to the statistical sub-mode, press the corre-sponding number key after performing the operation to select thestatistics mode (pressm1).Rectangular coord. Polar coord.0(SD) : Single-variable statistics1(LINE) : Linear regression calculation2(QUAD) : Quadratic regression calculation3(EXP) : Exponential regression calculation4(LOG) : Logarithmic regression calculation5(PWR) : Power regression calculation6(INV) : Inverse regression calculationThe following statistics can be obtained for each statistical calcula-tion (refer to the table below):Single-variable statistical calculation Statistics ofQLinear regression calculation Statistics ofQandWand, in addition, estimate ofyfor a givenx(estimatey´) and estimate ofxfor a giveny(estimatex´)Exponential regression, Logarithmic regression, Power regression, and Inverse regression calculation Statistics ofQandW. In addition, estimate ofyfor a givenxand estimate ofxfor a giveny. (Since the calculator convertseach formula into a linear regression formula before actual cal-culation takes place, it obtains all statistics, except coefﬁ cientsaandb, from converted data rather than entered data.)Quadratic regression calculation Statistics ofQandWand coefﬁ cientsa,b,cin the quadraticregression formula (y=a+bx+cx2). (For quadratic regressioncalculations, no correlation coefﬁ cient (r) can be obtained.)When there are twox´values, press@≠.When performing calculations usinga,bandc, only one numericvalue can be held.¯xMean of samples (xdata)sxSample standard deviation (xdata)QσxPopulation standard deviation (xdata)nNumber of samplesΣxSum of samples (xdata)Σx2Sum of squares of samples (xdata)¯yMean of samples (ydata)sySample standard deviation (ydata)σyPopulation standard deviation (ydata)ΣySum of samples (ydata)WΣy2Sum of squares of samples (ydata)ΣxySum of products of samples (x,y)rCorrelation coefﬁ cientaCoefﬁ cient of regression equationbCoefﬁ cient of regression equationcCoefﬁ cient of quadratic regression equation• UseKandRto perform a STAT variable calculation.Data Entry and Correction Entered data are kept in memory until@care pressed ormode selection. Before entering new data, clear the memory con-tents.[Data Entry]Single-variable dataDatakData&frequencyk(To enter multiples of the samedata)Two-variable dataDatax&DataykDatax&Datay&frequencyk(To enter multiplesof the same dataxandy.)• Up to 100 data items can be entered. With the single-variabledata, a data item without frequency assignment is counted asone data item, while an item assigned with frequency is storedas a set of two data items. With the two-variable data, a set ofdata items without frequency assignment is counted as two dataitems, while a set of items assigned with frequency is stored asa set of three data items.[Data Correction]Correction prior to pressingkimmediately after a data entry:Delete incorrect data withª, then enter the correct data.Correction after pressingk:Use[]to display the data previously entered.Press]to display data items in ascending (oldest ﬁ rst)order. To reverse the display order to descending (latest ﬁ rst),press the[key.Each item is displayed with ‘Xn=’, ‘Yn=’, or ‘Nn=’ (nis the se-quential number of the data set).Display the data item to modify, input the correct value, thenpressk. Using&, you can correct the values of thedata set all at once.• Whenorappears, more data items can be browsed bypressing[or].• To delete a data set, display an item of the data set to delete,then press@J. The data set will be deleted.• To add a new data set, pressªand input the values, thenpressk.Statistical Calculation Formulas Type Regression formulaLineary=a+bxExponentialy=a•ebxLogarithmicy=a+b• lnxPowery=a•xbInversey=a+b—Quadraticy=a+bx+cx2In the statistical calculation formulas, an error will occur when:• The absolute value of the intermediate result or calculation resultis equal to or greater than 1×10100.• The denominator is zero.• An attempt is made to take the square root of a negative number.• No solution exists in the quadratic regression calculation.ERROR AND CALCULATION RANGES Errors An error will occur if an operation exceeds the calculation ranges,or if a mathematically illegal operation is attempted. When an erroroccurs, pressing<(or>) automatically moves the cursorback to the place in the equation where the error occurred. Edit theequation or pressªto clear the equation.Error Codes and Error Types Syntax error (Error 1):• An attempt was made to perform an invalid operation.Ex. 2@{Calculation error (Error 2):• The absolute value of an intermediate or ﬁ nal calculation resultequals or exceeds 10100.• An attempt was made to divide by 0 (or an intermediate calculationresulted in zero).• The calculation ranges were exceeded while performing calculations.Depth error (Error 3):• The available number of buffers was exceeded. (There are 10 buffers*for numeric values and 24 buffers for calculation instructions).*5 buffers in STAT mode.• Data items exceeded 100 in the statistics mode.Equation too long (Error 4):• The equation exceeded its maximum input buffer (142 characters).An equation must be shorter than 142 characters.Calculation Ranges • Within the ranges speciﬁ ed, this calculator is accurate to±1 of the least signiﬁ cant digit of the mantissa. However, acalculation error increases in continuous calculations dueto accumulation of each calculation error. (This is the sameforyx,x¿, n!, ex, ln, etc., where continuous calculations areperformed internally.)Additionally, a calculation error will accumulate and becomelarger in the vicinity of inﬂ ection points and singular pointsof functions.• Calculation ranges±10–99~ ±9.999999999×1099and 0.If the absolute value of an entry or a ﬁ nal or intermediate result ofa calculation is less than 10–99, the value is considered to be 0 incalculations and in the display.BATTERY REPLACEMENT Notes on Battery Replacement Improper handling of batteries can cause electrolyte leakage orexplosion. Be sure to observe the following handling rules:• Replace both batteries at the same time.• Do not mix new and old batteries.• Make sure the new batteries are the correct type.• When installing, orient each battery properly as indicated in thecalculator.• Batteries are factory-installed before shipment, and may beexhausted before they reach the service life stated in the speci-ﬁ cations.Notes on erasure of memory contentsWhen the battery is replaced, the memory contents are erased.Erasure can also occur if the calculator is defective or when it isrepaired. Make a note of all important memory contents in caseaccidental erasure occurs.When to Replace the Batteries [EL-509W/531W/531WH] If the display has poor contrast, the bat-teries require replacement.[EL-531WG] If the display has poor contrast or nothing appears onthe display even whenªis pressed in dim lighting, it is time toreplace the batteries.Cautions • Fluid from a leaking battery accidentally entering an eye couldresult in serious injury. Should this occur, wash with clean waterand immediately consult a doctor.• Should ﬂ uid from a leaking battery come in contact with yourskin or clothes, immediately wash with clean water.• If the product is not to be used for some time, to avoid damageto the unit from leaking batteries, remove them and store in asafe place.• Do not leave exhausted batteries inside the product.1x• Do not ﬁ t partially used batteries, and be sure not to mixbatteries of different types.• Keep batteries out of the reach of children.• Exhausted batteries left in the calculator may leak and damagethe calculator.• Explosion risk may be caused by incorrect handling.• Do not throw batteries into a ﬁ re as they may explode.Replacement Procedure 1. Turn the power off by pressing@F.2. Remove two screws. (Fig. 1)3. Slide the battery cover slightly and lift it to remove.4. [EL-509W/531W/531WG] Remove the used batteries by pry-ing them out with a ball-point pen or other similar pointed de-vice. (Fig. 2)[EL-531WH] Remove the used battery.5. [EL-509W/531W/531WG] Install two new batteries. Make surethe “+” side is facing up.[EL-531WH] Install one new battery. First insert the “–” sidetoward the spring. (Fig. 3)6. Replace the cover and screws.7. Press the RESET switch (on the back).• Make sure that the display appears as shown below. If the dis-play does not appear as shown, remove the batteries reinstallthem and check the display once again.(Fig. 1) (Fig. 2) (Fig. 3)Automatic Power Off Function This calculator will turn itself off to save battery power if no key ispressed for approximately 10 minutes.SPECIFICATIONS Calculations: Scientiﬁ c calculations, statistical calcula-tions, etc.Internal calculations: Mantissas of up to 14 digitsPending operations: 24 calculations 10 numeric values(5 numeric values in STAT mode)Power source: [EL-509W/531W]3V¶(DC):Alkaline batteries (LR44 or equivalent)×2[EL-531WG]Built-in solar cells3 V¶(DC):Backup batteries(Alkaline batteries (LR44 or equivalent)×2)[EL-531WH]1.5V¶(DC):Heavy duty manganese battery(size AA or R6)×1Power consumption: [EL-509W/531W]0.0002 W[EL-531WH]0.0001 WOperating time: [EL-509W/531W]Approx. 5000 hours[EL-531WH]Approx. 17000 hourswhen continuously displaying 55555. at25°C (77°F).Varies according to use and other factors.Operating temperature: 0°C – 40°C (32°F – 104°F)External dimensions: [EL-509W/531W/531WG]79.6 mm (W)×154.5 mm (D)×13.2 mm (H)3-1/8” (W)×6-3/32” (D)×17/32” (H)[EL-531WH]79.6 mm (W)×154.5 mm (D)×18.2 mm (H)3-1/8” (W)×6-3/32” (D)×23/32” (H)Weight: [EL-509W/531W]Approx. 95 g (0.21 lb) (Including batteries)[EL-531WG]Approx. 97 g (0.22 lb) (Including batteries)[EL-531WH]Approx. 110 g (0.25 lb) (Including battery)Accessories: [EL-509W/531W/531WG]Batteries×2 (installed), operation manual,quick reference card and hard case[EL-531WH]Battery×1 (installed), operation manual,quick reference card and hard caseFOR MORE INFORMATION ABOUT SCIENTIFIC CALCULATOR Visit our Web site.http://sharp-world.com/calculator/###### ENGLISH

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Você tem alguma dúvida sobre o Sharp EL-531XBWH ou precisa de ajuda? Faça sua pergunta aqui. Forneça uma descrição clara e abrangente do problema e sua pergunta. Quanto mais detalhes você fornecer para seu problema e pergunta, mais fácil será para outros proprietários de Sharp EL-531XBWH responderem adequadamente à sua pergunta.

Veja o manual do Sharp EL-531XBWH aqui, de graça. Este manual está na categoria Calculadoras e foi avaliado por 1 pessoas com uma média de 9.9. Este manual está disponível nos seguintes idiomas: Inglês. Você tem alguma dúvida sobre o Sharp EL-531XBWH ou precisa de ajuda? Faça a sua pergunta aqui

Marca | Sharp |

Modelo | EL-531XBWH |

Produto | Calculadora |

EAN | 4974019045757, 74000019133 |

Língua | Inglês |

Tipo de arquivo |

Tipo | Calculadora científica |

Forma | |

Cor do produto | Preto |

Dígitos | 12 dígitos |

Linhas de texto | 2 linhas |

Inclinação do visor | Não |

Desactivação automática | Sim |

Tipo de bateria | LR44 |

Fonte de alimentação | Bateria |

Número de pilhas | 2 |

Registos de memória | 9 |

Dimensões do produto (CxLxA) | 158 x 80 x 14 mm |

Peso do produto | 101 g |

Conversor de moeda | Não |

Porta USB | Não |

Abaixo, encontrará as perguntas mais frequentes sobre Sharp EL-531XBWH .

O que é um erro de estouro?

Um erro de estouro geralmente ocorre quando o resultado da soma é maior do que a calculadora pode mostrar.

Uma bateria na minha Calculadora começou a corroer. Ainda é seguro usar o dispositivo?

O produto ainda pode ser usado com segurança após a limpeza adequada. Remova a bateria com luvas e limpe o compartimento da bateria com uma escova de dentes e vinagre. Após a secagem, novas baterias podem ser inseridas no dispositivo.

A sua pergunta não está na lista? Faça a sua pergunta aqui