Sharp WriteView EL-W506T

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PRINTED IN CHINA

16FSC (TINSEA150EHZZ)

B1094

INTRODUCTION

About the calculation examples (including some formulas and

tables), refer to the calculation examples sheet.

After reading this manual, store it in a convenient location for future

reference.

Note: Some of the models described in this manual may not be

available in some countries.

Operational Notes

s $ONOTCARRYTHECALCULATORAROUNDINYOURBACKPOCKETASITMAY

BREAKWHENYOUSITDOWN4HEDISPLAYISMADEOFGLASSANDIS

PARTICULARLYFRAGILE

s +EEPTHECALCULATORAWAYFROMEXTREMEHEATSUCHASONACAR

DASHBOARDORNEARAHEATERANDAVOIDEXPOSINGITTOEXCESSIVELY

humid or dusty environments.

s 3INCETHISPRODUCTISNOTWATERPROOFDONOTUSEITORSTOREITWHERE

mUIDSFOREXAMPLEWATERCANSPLASHONTOIT2AINDROPSWATERSPRAY

JUICECOFFEESTEAMPERSPIRATIONETCWILLALSOCAUSEMALFUNCTION

s #LEANWITHASOFTDRYCLOTH$ONOTUSESOLVENTSORAWETCLOTH!VOID

using a rough cloth or anything else that may cause scratches.

s $ONOTDROPITORAPPLYEXCESSIVEFORCE

s .EVERDISPOSEOFBATTERIESINAlRE

s +EEPBATTERIESOUTOFTHEREACHOFCHILDREN

s &ORTHESAKEOFYOURHEALTHTRYNOTTOUSETHISPRODUCTFORLONG

PERIODSOFTIME)FYOUNEEDTOUSETHEPRODUCTFORANEXTENDED

PERIODBESURETOALLOWYOUREYESHANDSARMSANDBODYADEQUATE

RESTPERIODSABOUTnMINUTESEVERYHOUR

)FYOUEXPERIENCEANYPAINORFATIGUEWHILEUSINGTHISPRODUCT

DISCONTINUEUSEIMMEDIATELY)FTHEDISCOMFORTCONTINUESPLEASE

consult a doctor.

s 4HISPRODUCTINCLUDINGACCESSORIESMAYCHANGEDUETOUPGRADING

WITHOUTPRIORNOTICE

NOTICE

s 3(!20STRONGLYRECOMMENDSTHATSEPARATEPERMANENTWRITTEN

RECORDSBEKEPTOFALLIMPORTANTDATA$ATAMAYBELOSTOR

ALTEREDINVIRTUALLYANYELECTRONICMEMORYPRODUCTUNDERCERTAIN

CIRCUMSTANCES4HEREFORE3(!20ASSUMESNORESPONSIBILITYFOR

DATALOSTOROTHERWISERENDEREDUNUSABLEWHETHERASARESULTOF

IMPROPERUSEREPAIRSDEFECTSBATTERYREPLACEMENTUSEAFTERTHE

SPECIlEDBATTERYLIFEHASEXPIREDORANYOTHERCAUSE

s 3(!20WILLNOTBELIABLENORRESPONSIBLEFORANYINCIDENTALOR

CONSEQUENTIALECONOMICORPROPERTYDAMAGECAUSEDBYMISUSE

ANDORMALFUNCTIONSOFTHISPRODUCTANDITSPERIPHERALSUNLESS

SUCHLIABILITYISACKNOWLEDGEDBYLAW

i0RESSTHE2%3%4SWITCHONTHEBACKWITHTHETIPOFABALLPOINT

PENORSIMILAROBJECTONLYINTHEFOLLOWINGCASESDo not use an

OBJECTWITHABREAKABLEORSHARPTIP.OTETHATPRESSINGTHE2%3%4

SWITCHERASESALLDATASTOREDINMEMORY

s 7HENUSINGFORTHElRSTTIME

s !FTERREPLACINGTHEBATTERY

s 4OCLEARALLMEMORYCONTENTS

s 7HENANABNORMALCONDITIONOCCURSANDALLKEYSAREINOPERATIVE

)FSERVICESHOULDBEREQUIREDONTHISCALCULATORHAVETHECALCULATOR

SERVICEDINTHEREGIONCOUNTRYWHEREYOUPURCHASEDIT

Hard Case

DISPLAY

Dot

MATRIX

DISPLAY

Mantissa

%XPONENT

s $URINGACTUALUSENOTALLSYMBOLSAREDISPLAYEDATTHESAMETIME

s /NLYTHESYMBOLSREQUIREDFORTHEUSAGECURRENTLYBEINGEXPLAINED

ARESHOWNINTHEDISPLAYANDCALCULATIONEXAMPLES

: Indicates that some contents are hidden in the directions

SHOWN

2ndF !PPEARSWHEN@ISPRESSEDINDICATINGTHATTHEFUNCTIONS

SHOWNINTHESAMECOLORAS@ are enabled.

HYP: Indicates that HHASBEENPRESSEDANDTHEHYPERBOLIC

functions are enabled. If @ >ISPRESSEDTHESYMBOLS

2ndF HYPAPPEARINDICATINGTHATINVERSEHYPERBOLIC

functions are enabled.

ALPHA !PPEARSWHEN;ISPRESSEDINDICATINGTHATTHEFUNCTIONS

SHOWNINTHESAMECOLORAS; are enabled.

!PPEARSWHENx or tISPRESSEDANDENTRYRECALL

OFMEMORYCONTENTSCANBEPERFORMED

FIX/SCI/ENG/N1/N2)NDICATESTHENOTATIONUSEDTODISPLAYAVALUE

and changes by SET UP menu. N1ISDISPLAYEDONSCREEN

ASh./2-vANDN2ASh./2-v

DEG/RAD/GRAD: Indicates angular units.

BUSY !PPEARSDURINGTHEEXECUTIONOFACALCULATION

W-VIEW)NDICATESTHATTHE7RITE6IEWEDITORISSELECTED

M )NDICATESTHATANUMERICALVALUEISSTOREDINTHEINDEPENDENT

memory (M).

/  )NDICATESTHEMODEOFEXPRESSIONFORRESULTSIN#/-0,%8

mode.

BEFORE USING THE CALCULATOR

Press jTOTURNTHECALCULATORON4HEDATATHATWASONSCREENWHEN

THEPOWERWASTURNEDOFFWILLAPPEARONTHEDISPLAY

Press @ o to turn the calculator off.

Key Notations Used in this Manual

4OSPECIFYe

@ "

4OSPECIFYLN

4OSPECIFY%

; E

s &UNCTIONSTHATAREPRINTEDINGRAYADJACENTTOTHEKEYSAREEFFECTIVEIN

SPECIlCMODES

s 4HEMULTIPLICATIONOPERATORh

vISDIFFERENTIATEDFROMTHELETTERh8vINTHIS

MANUALASFOLLOWS

4OSPECIFYTHEMULTIPLICATIONOPERATORk

4OSPECIFYTHELETTERh8v; X

s )NCERTAINCALCULATIONEXAMPLESWHEREYOUSEETHEo symbol, the

KEYOPERATIONSANDCALCULATIONRESULTSARESHOWNASTHEYWOULDAPPEAR

INTHE,INEEDITOR

s )NEACHEXAMPLEPRESSjTOCLEARTHEDISPLAYlRST5NLESSOTHERWISE

SPECIlEDCALCULATIONEXAMPLESAREPERFORMEDINTHE7RITE6IEWEDITOR

(@ J 2 0 0WITHTHEDEFAULTDISPLAYSETTINGS@

P 0).

Clearing the Entry and Memories

/PERATION Entry

$ISPLAY

!n&

-89

$n$ ANS

S TAT *

MAT!n$

VECT!n$

ɏɏɏɏɏ

@ Z

ɏɏ

ɈɈ Ɉ

Mode selection (b)

ɏɏɏ



@ P 0

ɏɏɏɏɏ

@ P 1 0

ɈɈɈɈɈɈ

@ P 2 0



ɈɈɈɈɈɈ

2%3%4SWITCH



ɈɈɈɈɈɈ

: Clear

: Retain

*1 Statistical data (entered data)

 #LEAREDWHENCHANGINGBETWEENSUBMODESIN34!4MODE

 4HE2%3%4OPERATIONWILLERASEALLDATASTOREDINMEMORYANDRESTORE

the calculator’s default settings. The username you stored using the

NAMEDISPLAYFUNCTIONWILLBECLEAREDASWELL

Memory clear key

Press @ PTODISPLAYTHEMENU

s 4OINITIALIZETHEDISPLAYSETTINGSPRESS04HEPARAMETERSARESETAS

FOLLOWS

s !NGULARUNIT$%'

s $ISPLAYNOTATION./2-

s .BASE$%#

s 2ECURRINGDECIMAL/&&

Mode Selection

./2-!,MODEb 0

5SEDTOPERFORMARITHMETICOPERATIONSANDFUNCTIONCALCULATIONS

STAT mode: b 1

5SEDTOPERFORMSTATISTICALOPERATIONS

4!",%MODEb 2

5SEDTOILLUSTRATETHECHANGESINVALUESOFONEORTWOFUNCTIONSINTABLEFORMAT

#/-0,%8MODEb 3

5SEDTOPERFORMCOMPLEXNUMBERCALCULATIONS

%15!4)/.MODEb 4

5SEDTOSOLVEEQUATIONS

-!42)8MODEb 5

5SEDTOPERFORMMATRIXCALCULATIONS

6%#4/2MODEb 6

5SEDTOPERFORMVECTORCALCULATIONS

$)342)"54)/.MODEb 7

5SEDTOPERFORMDISTRIBUTIONCALCULATIONS

$2),,MODEb 8

5SEDTOPRACTICEMATHANDMULTIPLICATIONTABLEDRILLS

HOME Key

Press 7TORETURNTO./2-!,MODEFROMOTHERMODES

.OTE %QUATIONSANDVALUESCURRENTLYBEINGENTEREDWILLDISAPPEARINTHE

SAMEWAYASWHENTHEMODEISCHANGED

SET UP Menu

Press @ JTODISPLAYTHE3%450MENU

Press jTOEXITTHE3%450MENU

.OTE 9OUCANPRESSNTORETURNTOTHEPREVIOUSLYDISPLAYEDPARENT

menu.

Determination of the angular unit (degrees, radians, and grades)

$%' @ J 0 0 (default)

RAD (rad): @ J 0 1

'2!$G@ J 0 2

Selecting the display notation and decimal places

4WOSETTINGSOF&LOATINGPOINT./2-AND./2-&IXEDDECIMALPOINT

&)83CIENTIlCNOTATION3#)AND%NGINEERINGNOTATION%.'

s 7HEN@ J 1 0&)8OR@ J 1 2%.'IS

PRESSEDTHENUMBEROFDECIMALPLACES4!"CANBESETTOANYVALUE

BETWEENAND

s 7HEN@ J 1 13#)ISPRESSEDTHENUMBEROF

SIGNIlCANTDIGITSCANBESETTOANYVALUEBETWEENAND%NTERING

WILLSETADIGITDISPLAY

Setting the ﬂoating point number system in scientiﬁc notation

./2-THEDEFAULTAND./2-!NUMBERISAUTOMATICALLYDISPLAYEDIN

SCIENTIlCNOTATIONOUTSIDEAPRESETRANGE

 ./2-@ J 1 3): 0.000000001

≤ \ X \  ≤ 9,999,999,999

 ./2-@ J 1 4): 0.01

≤ \ X \  ≤ 9,999,999,999

Selecting the editor and setting the answer display

4HISCALCULATORHASTHEFOLLOWINGTWOEDITORSIN./2-!,MODE

7RITE6IEWAND,INE

3ETTHEDISPLAYFORMATFORNUMERICALCALCULATIONRESULTSIN7RITE6IEWEDITOR

The WriteView editor

 %8!#4ABr,

) @

J 2 0 0 (default)

 !002/8 @

J 2 0 1

The Line editor @

J 2 1

Notes:

s 7HENh%8!#4ABr,

vISSETRESULTSWILLAPPEARINFRACTIONFORMATOR

irrational number format (including

and rWHENDISPLAYISPOSSIBLE

s 7HENh!002/8vISSETRESULTSWILLBEDECIMALDISPLAYORFRACTION

DISPLAYANDWILLBENOTSHOWNINIRRATIONALNUMBERFORMATINCLUDING

and r).

s 0RESSU to change the calculation results to another format that can

BEDISPLAYED

Adjusting the display contrast

Press @ J 3, then + or & to adjust the contrast. Press

jTOEXIT

Insert and overwrite entry methods

7HENUSINGTHE,INEEDITORYOUCANCHANGETHEENTRYMETHODFROM

h).3%24vTHEDEFAULTTOh/6%272)4%v

!FTERYOUSWITCHTOTHEOVERWRITEMETHODBYPRESSING@

4 1),

THETRIANGULARCURSORWILLCHANGETOARECTANGULARONEANDTHENUMBEROR

FUNCTIONUNDERNEATHITWILLBEOVERWRITTENASYOUMAKEENTRIES

Setting the recurring decimal

)N./2-!,MODECALCULATIONRESULTSCANBESHOWNINARECURRING

decimal format.

2ECURRINGDECIMALIS/&&@ J 5 0 (default)

2ECURRINGDECIMALIS/. @ J 5 1

s )NTHE7RITE6IEWEDITORTHERECURRINGPARTISINDICATEDBYh



v)NTHE

,INEEDITORTHERECURRINGPARTISINDICATEDINPARENTHESES

s )FOVERDIGITSINCLUDINGTHERECURRINGPARTTHERESULTCANNOTBE

DISPLAYEDINRECURRINGDECIMALFORMAT

Setting of the decimal point

9OUCANSHOWTHEDECIMALPOINTINTHECALCULATIONRESULTASEITHERADOT

or a comma.

$/4 J 6 0 (default)

#/--!J 6 1

s $URINGENTRYTHEDECIMALPOINTISONLYSHOWNASADOT

Name display function

9OUCANSAVEAUSERNAMEINTHISCALCULATOR7HENYOUTURNTHEPOWEROFF

THESAVEDUSERNAMEISDISPLAYEDMOMENTARILY

5PTOCHARACTERSMAYBESAVEDSPLITOVERTWOLINES

Entering and editing the username:

1. Press @ J 74HEEDITINGSCREENAPPEARSWITHAmASHING

cursor.

 5SEu and d to scroll through the available characters.

 0RESSINGl or r moves the cursor to the left or right.

To modify a character, use l or r to move the cursor to the

character, then select another character using u or d.

 2EPEATSTEPSANDABOVETOCONTINUEENTERINGCHARACTERS

5. Press =TOSAVEANDQUIT

Note: Press @ Z in the editing screen to clear all the

characters.

ENTERING, DISPLAYING, AND EDITING THE EQUATION

The WriteView Editor

Entry and display

)NTHE7RITE6IEWEDITORYOUCANENTERANDDISPLAYFRACTIONSORCERTAIN

FUNCTIONSASYOUWOULDWRITETHEM

s 4HE7RITE6IEWEDITORCANBEUSEDIN./2-!,MODE

Displaying calculation results (when EXACT is selected)

7HENPOSSIBLECALCULATIONRESULTSWILLBEDISPLAYEDUSINGFRACTIONSr,

and

π7HENYOUPRESSUTHEDISPLAYWILLCYCLETHROUGHTHEFOLLOWING

DISPLAYSTYLES

s -IXEDFRACTIONSWITHORWITHOUT

π) IMPROPERFRACTIONSWITHOR

WITHOUT

π) decimal numbers

s 0ROPERFRACTIONSWITHORWITHOUT

π) decimal numbers

s )RRATIONALNUMBERSSQUAREROOTSFRACTIONSMADEUSINGSQUAREROOTS

decimal numbers

Notes:

s

)NTHEFOLLOWINGCASESCALCULATIONRESULTSMAYBEDISPLAYEDUSINGr:

s !RITHMETICOPERATIONSANDMEMORYCALCULATIONS

s 4RIGONOMETRICCALCULATIONS

s )NTRIGONOMETRICCALCULATIONSWHEN

entering values such as those in the

TABLETOTHERIGHTRESULTSMAYBESHOWN

using

s )MPROPERPROPERFRACTIONSWILLBE

CONVERTEDTOANDDISPLAYEDASDECIMAL

numbers if the number of digits used in

THEIREXPRESSIONISGREATERTHANNINE)NTHECASEOFMIXEDFRACTIONSTHE

MAXIMUMNUMBEROFDISPLAYABLEDIGITSINCLUDINGINTEGERSISEIGHT

s )FTHENUMBEROFDIGITSINTHEDENOMINATOROFAFRACTIONALRESULTTHATUSES

πISGREATERTHANTHREETHERESULTISCONVERTEDTOANDDISPLAYEDASA

decimal number.

Performing integral calculations

1. Press ; F.



3PECIFYTHEFOLLOWINGPARAMETERSRANGEOFINTEGRALINITIALVALUE

), end

value (

FUNCTIONWITHVARIABLEx, and number of subintervals (

9OUDONOTNEEDTOSPECIFYTHENUMBEROFSUBINTERVALS)FTHE

NUMBEROFSUBINTERVALSISNOTSPECIlEDTHEDEFAULTVALUEOF

nWILLBEUSED

 0RESS=.

Notes:

s 0ARAMETERSAREENTEREDINTHEFOLLOWINGWAY

7RITE6IEWEDITOR ,INEEDITOR

function[, subintervals]dx (function, a, b[, subintervals])

s )NTEGRALCALCULATIONS

DEPENDINGONTHE

integrands and

subintervals included,

REQUIRELONGER

calculation time.

During calculation,

the BUSY symbol

WILLBEDISPLAYED4O

cancel calculation,

PRESSj.

.OTETHATTHEREWILL

BEGREATERINTEGRALERRORSWHENTHEREARELARGEmUCTUATIONSINTHE

integral values during minute shifting of the integral range and for

PERIODICFUNCTIONSETCWHEREPOSITIVEANDNEGATIVEINTEGRALVALUES

EXISTDEPENDINGONTHEINTERVAL

&ORTHEFORMERCASEDIVIDEINTEGRALINTERVALSASSMALLASPOSSIBLE

&ORTHELATTERCASESEPARATETHEPOSITIVEANDNEGATIVEVALUES

&OLLOWINGTHESETIPSWILLALLOWYOUTOOBTAINRESULTSFROMCALCULATIONS

WITHGREATERACCURACYANDWILLALSOSHORTENTHECALCULATIONTIME

Performing differential calculations

1. Press ; G.

 3PECIFYTHEFOLLOWINGPARAMETERSFUNCTIONWITHVARIABLEx, value of

x, and minute interval (

dx).

9OUDONOTNEEDTOSPECIFYTHEMINUTEINTERVAL)FTHEMINUTEINTERVAL

ISNOTSPECIlEDITWILLAUTOMATICALLYBESETTO

−

WHILEx = 0), or

x | × 10

−

WHILEx ≠ 0).

 0RESS=.

.OTE 0ARAMETERSAREENTEREDINTHEFOLLOWINGWAY

7RITE6IEWEDITOR

d(function)

x = value of x[, minute interval]

,INEEDITOR

d/dx (function, value of x[, minute interval])

∑ Function

The ∑FUNCTIONRETURNSTHECUMULATIVESUMOFAGIVENEXPRESSIONFROM

ANINITIALVALUETOANENDVALUEIN./2-!,MODE

Performing ∑ calculations

1. Press ; I.

 3PECIFYTHEFOLLOWINGPARAMETERSINITIALVALUEENDVALUEFUNCTION

WITHVARIABLE

x, and increment (n).

9OUDONOTNEEDTOSPECIFYTHEINCREMENT)FTHEINCREMENTISNOT

SPECIlEDTHEDEFAULTVALUEOF

nWILLBEUSED

 0RESS=.

.OTE 0ARAMETERSAREENTEREDINTHEFOLLOWINGWAY

7RITE6IEWEDITOR

end value

(

function[, increment])

initial value

,INEEDITOR

(function, initial value, end value[, increment])

3 Function

The ȆFUNCTIONRETURNSTHEPRODUCTOFAGIVENEXPRESSIONFROMAN

INITIALVALUETOANENDVALUEIN./2-!,MODE

Performing Π calculations

1. Press ; ;.

 3PECIFYTHEFOLLOWINGPARAMETERSINITIALVALUEENDVALUEFUNCTION

WITHVARIABLE

x, and increment (n).

 9OUDONOTNEEDTOSPECIFYTHEINCREMENT)FTHEINCREMENTISNOT

SPECIlEDTHEDEFAULTVALUEOF

nWILLBEUSED

 0RESS=.

.OTE 0ARAMETERSAREENTEREDINTHEFOLLOWINGWAY

7RITE6IEWEDITOR

end value

(

function[, increment])

initial value

,INEEDITOR

(function, initial value, end value[, increment])

Random Function

The random function has four settings. (This function cannot be

SELECTEDWHILEUSINGTHE.BASEFUNCTION4OGENERATEFURTHERRANDOM

NUMBERSINSUCCESSIONPRESSe. Press jTOEXIT

Random numbers

!PSEUDORANDOMNUMBERWITHTHREESIGNIlCANTDIGITSFROMUPTO

CANBEGENERATEDBYPRESSING@ w 0 e.

.OTE )NTHE7RITE6IEWEDITORIFTHERESULTISNOTITCANBESHOWNAS

a fraction or decimal using U.

Random dice

4OSIMULATEADIEROLLINGARANDOMINTEGERBETWEENANDCANBE

GENERATEDBYPRESSING@ w 1 e.

Random coin

4OSIMULATEACOINmIPHEADSORTAILSCANBERANDOMLY

GENERATEDBYPRESSING@ w 2 e.

Random integer

9OUCANSPECIFYARANGEFORTHERANDOMINTEGERWITHh2)NTvONLY

R.Int(minimum value, maximum value)

&OREXAMPLEIFYOUENTER@ w 3 1

99 ) e, a

RANDOMINTEGERFROMTOWILLBEGENERATED

Angular Unit Conversions

Each time @ ]ISPRESSEDTHEANGULARUNITCHANGESINSEQUENCE

Memory Calculations

Temporary memories (A–F, X and Y)

Press xANDAVARIABLEKEYTOSTOREAVALUEINMEMORY

Press tANDAVARIABLEKEYTORECALLTHEVALUEFROMTHATMEMORY4O

PLACEAVARIABLEINANEQUATIONPRESS;ANDAVARIABLEKEY

Independent memory (M)

)NADDITIONTOALLTHEFEATURESOFTEMPORARYMEMORIESAVALUECANBE

ADDEDTOORSUBTRACTEDFROMANEXISTINGMEMORYVALUE

Press j x MTOCLEARTHEINDEPENDENTMEMORY-

Last answer memory (ANS)

4HECALCULATIONRESULTOBTAINEDBYPRESSING= or any other calculation

ENDINGINSTRUCTIONISAUTOMATICALLYSTOREDINTHELASTANSWERMEMORY

7HENTHECALCULATIONRESULTISINMATRIXORVECTORFORMTHEFULLMATRIX

ORVECTORISNOTSTOREDINTO!.3MEMORY/NLYTHEVALUEOFTHEELEMENT

covered by the cursor is stored.

Notes:

s #ALCULATIONRESULTSFROMTHEFUNCTIONSINDICATEDBELOWAREAUTOMATICALLY

STOREDINTHE8OR9MEMORIESREPLACINGANYEXISTINGVALUES

s 

rθ,

8MEMORYr or x9MEMORYθ or y)

s 4WO

x|VALUESFROMAQUADRATICREGRESSIONCALCULATIONIN34!4MODE

8MEMORY9MEMORY

s 5SEOFt or ;WILLRECALLTHEVALUESTOREDINMEMORYUSINGUPTO

14 digits.

s !&89MEMORYCANNOTBEUSEDIN#/-0,%8MODE

Deﬁnable memories (D1–D3)

9OUCANSTOREFUNCTIONSOROPERATIONSINDElNABLEMEMORIES$n$

s 4OSTOREAFUNCTIONOROPERATIONPRESSxFOLLOWEDBYADElNABLE

MEMORYKEYI, J, or KFOLLOWEDBYTHEOPERATIONYOU

WANTTOSTORE-ENURELATEDOPERATIONSSUCHAS@ J, cannot be

stored. Press jTORETURNTOTHEPREVIOUSDISPLAY

s 4OCALLASTOREDFUNCTIONOROPERATIONPRESSTHECORRESPONDINGMEMORY

KEY#ALLINGASTOREDFUNCTIONWILLNOTWORKIFTHEFUNCTIONTHATISCALLED

WOULDBEUNUSABLEINTHECURRENTCONTEXT

s !NYFUNCTIONSOROPERATIONSTHATARESTOREDINADElNABLEMEMORYWILL

BEREPLACEDWHENYOUSAVEANEWONEINTOTHATMEMORY

s &UNCTIONSCANNOTBESAVEDINADElNABLEMEMORYFROMTHESIMULATION

CALCULATIONSANDSOLVERFUNCTIONSOF./2-!,MODEORFROMTHEITEM

ANDVALUEINPUTSCREENSOFOTHERMODES

Memory List

Press

;

TODISPLAYALISTOFTHEVALUESSAVEDINMEMORY

4HEVALUESARESHOWNINACHARACTERRANGE

!PPLICABLEMEMORIES!"#$%&89-

s )N#/-0,%8MODEONLY-MEMORYISDISPLAYED

Chain Calculations

4HEPREVIOUSCALCULATIONRESULTCANBEUSEDINTHESUBSEQUENT

CALCULATION(OWEVERITCANNOTBERECALLEDAFTERENTERINGMULTIPLE

INSTRUCTIONSORWHENTHECALCULATIONRESULTISINMATRIXVECTORFORMAT

Fraction Calculations

!RITHMETICOPERATIONSANDMEMORYCALCULATIONSCANBEPERFORMEDUSING

FRACTIONS)N./2-!,MODECONVERSIONBETWEENADECIMALNUMBERAND

AFRACTIONCANBEPERFORMEDBYPRESSINGU.

Notes:

s )MPROPERPROPERFRACTIONSWILLBECONVERTEDTOANDDISPLAYEDASDECIMAL

NUMBERSIFTHENUMBEROFDIGITSUSEDINTHEIREXPRESSIONISGREATER

THANNINE)NTHECASEOFMIXEDFRACTIONSTHEMAXIMUMNUMBEROF

DISPLAYABLEDIGITSINCLUDINGINTEGERSISEIGHT

s 4OCONVERTASEXAGESIMALVALUETOAFRACTIONlRSTCONVERTITBYPRESSING

@ :.

Binary, Pental, Octal, Decimal, and Hexadecimal

Operations (N-base)

#ONVERSIONSCANBEPERFORMEDBETWEEN.BASENUMBERSIN./2-!,

MODE4HEFOURBASICARITHMETICOPERATIONSCALCULATIONSWITH

PARENTHESESANDMEMORYCALCULATIONSCANALSOBEPERFORMEDALONGWITH

THELOGICALOPERATIONS!.$/2./4.%'8/2AND8./2ONBINARY

PENTALOCTALANDHEXADECIMALNUMBERS

.OTE 4HEHEXADECIMALNUMBERS!n&AREENTEREDBYPRESSINGm

, A

, l

, i

, and H

)NTHEBINARYPENTALOCTALANDHEXADECIMALSYSTEMSFRACTIONALPARTS

CANNOTBEENTERED7HENADECIMALNUMBERHAVINGAFRACTIONALPART

ISCONVERTEDINTOABINARYPENTALOCTALORHEXADECIMALNUMBERTHE

FRACTIONALPARTWILLBETRUNCATED,IKEWISEWHENTHERESULTOFABINARY

PENTALOCTALORHEXADECIMALCALCULATIONINCLUDESAFRACTIONALPART

THEFRACTIONALPARTWILLBETRUNCATED)NTHEBINARYPENTALOCTALAND

HEXADECIMALSYSTEMSNEGATIVENUMBERSAREDISPLAYEDASACOMPLEMENT

Time, Decimal, and Sexagesimal Calculations

9OUCANCONVERTBETWEENDECIMALANDSEXAGESIMALNUMBERSANDFROM

SEXAGESIMALNUMBERSTOSECONDSORMINUTES)NADDITIONTHEFOURBASIC

ARITHMETICOPERATIONSANDMEMORYCALCULATIONSCANBEPERFORMEDUSING

THESEXAGESIMALSYSTEM.OTATIONFORSEXAGESIMALISASFOLLOWS

Degree

Minute

Second

Coordinate Conversions

s "EFOREPERFORMINGACALCULATIONSELECTTHEANGULARUNIT

s 4HERESULTSOFCOORDINATECONVERSIONSWILLBEDISPLAYEDASDECIMAL

NUMBERSEVENINTHE7RITE6IEWEDITOR

Rectangular coord. Polar coord.

Physical Constants and Metric Conversions

Calculations using physical constants

4ORECALLACONSTANTPRESS; :THENSELECTAPHYSICALCONSTANT

FROMTHELIST%ACHITEMISLABELEDWITHADIGITNUMBER

s 4OSCROLLUPORDOWNTHELISTOFCONSTANTSPRESSu (l) or d (r).

Use @ u (l) or @ d (rTOJUMPTOTHElRSTOR

LASTPAGE

s %NTERTHElRSTDIGITOFTHEDIGITITEMNUMBERTOJUMPTOTHEPAGE

CONTAININGTHENUMBERTHATBEGINSWITHTHATDIGIT

s 7HENYOUENTERTHESECONDDIGITTHECONSTANTISDISPLAYED

AUTOMATICALLYACCORDINGTOTHEDISPLAYANDDECIMALPLACEMENTSETTINGS

s 0HYSICALCONSTANTSCANBERECALLEDIN./2-!,EXCLUDING.BASE

34!4 # / -0, % 8  -!42)86%#4/2AND%15!4)/.MODES

Note: Physical constants and metric conversions are based on the

#/$!4!RECOMMENDEDVALUESORONTHE%DITION

OFTHEh'UIDEFORTHE5SEOFTHE)NTERNATIONAL3YSTEMOF5NITS

3)vRELEASEDBY.)34.ATIONAL)NSTITUTEOF3TANDARDSAND

Technology).

No. Constant No. Constant



























3PEEDOFLIGHTINVACUUM

.EWTONIANCONSTANTOFGRAVITATION

Standard acceleration of gravity

Electron mass

Proton mass

Neutron mass

Muon mass

!TOMICMASSUNITKILOGRAM

RELATIONSHIP

Elementary charge

0LANCKCONSTANT

"OLTZMANNCONSTANT

Magnetic constant

Electric constant

Classical electron radius

&INESTRUCTURECONSTANT

Bohr radius

Rydberg constant

-AGNETICmUXQUANTUM

Bohr magneton

Electron magnetic moment

Nuclear magneton

Proton magnetic moment

Neutron magnetic moment

Muon magnetic moment

#OMPTONWAVELENGTH

0ROTON#OMPTONWAVELENGTH



































3TEFAN"OLTZMANNCONSTANT

Avogadro constant

Molar volume of ideal gas

+K0A

Molar gas constant

Faraday constant

6ON+LITZINGCONSTANT

%LECTRONCHARGETOMASSQUOTIENT

Quantum of circulation

Proton gyromagnetic ratio

*OSEPHSONCONSTANT

Electron volt

#ELSIUS4EMPERATURE

Astronomical unit

Parsec

-OLARMASSOFCARBON

0LANCKCONSTANTOVERPI

Hartree energy

#ONDUCTANCEQUANTUM

)NVERSElNESTRUCTURECONSTANT

0ROTONELECTRONMASSRATIO

Molar mass constant

.EUTRON#OMPTONWAVELENGTH

First radiation constant

Second radiation constant

#HARACTERISTICIMPEDANCEOFVACUUM

3TANDARDATMOSPHERE

Metric conversions

%NTERAVALUETOBECONVERTEDTHENPRESS; L, and select a metric

CONVERSIONBYENTERINGITSDIGITNUMBER

s 4HEMETRICCONVERSIONLISTISUSEDINTHESAMEMANNERASTHELISTOF

PHYSICALCONSTANTS

s 5NITCONVERSIONSCANBEPERFORMEDIN./2-!,EXCLUDING.BASE

34!4 - !42)86%#4/2AND%15!4)/.MODES

No. 2EMARKS No. 2EMARKS

01 in : inch 

mOZ53 mUIDOUNCE

(US)

 cm : centimeter  M, MILLILITER

 ft : foot  mOZ5+ mUIDOUNCE5+

04 m : meter  M, MILLILITER

05 yd : yard  cal

: calorie

06 m : meter  J : joule

07 mi : mile  cal

 CALORIE#

 KM KILOMETER  J : joule

09 n mi : nautical mile  cal

: calorie

10 m : meter  J : joule

11 acre : acre*

 HP

HORSEPOWER5+

 m



 SQUAREMETER  7 WATT

 OZ

OUNCEAVOIRDUPOIS

 PS

 HORSEPOWERMETRIC

g : gram

 7 WATT

15 lb

 POUNDAVOIRDUPOIS

 KGFCM



)

KG KILOGRAM

 0A PASCAL

17 &

: degree Fahrenheit

 ATM ATMOSPHERE

 # DEGREE#ELSIUS 40 0A PASCAL

19 gal (US) : gallon (US) 41 (1 mmHg = 1 Torr)

 , LITER  0A PASCAL

 GAL5+ GALLON5+  KGFqM

 , LITER 44 .qM NEWTONMETER

*1 based on US survey foot

Calculations Using Engineering Preﬁxes

#ALCULATIONCANBEEXECUTEDIN./2-!,MODEEXCLUDING.BASEUSING

THEFOLLOWINGTYPESOFPRElXES

0RElX Unit 0RElX Unit

KILO

(Mega)

'IGA

(Tera)





(milli)

(micro)

(nano)

PICO

(femto)

n

n

n

n

n

Modify Function

$ECIMALCALCULATIONRESULTSAREINTERNALLYOBTAINEDINSCIENTIlCNOTATION

WITHUPTODIGITSINTHEMANTISSA(OWEVERSINCECALCULATIONRESULTSARE

DISPLAYEDINTHEFORMDESIGNATEDBYTHEDISPLAYNOTATIONANDTHENUMBER

OFDECIMALPLACESINDICATEDTHEINTERNALCALCULATIONRESULTMAYDIFFERFROM

THATSHOWNINTHEDISPLAY"YUSINGTHEMODIFYFUNCTION@ n),

THEINTERNALVALUEISCONVERTEDTOMATCHTHATOFTHEDISPLAYSOTHATTHE

DISPLAYEDVALUECANBEUSEDWITHOUTCHANGEINSUBSEQUENTOPERATIONS

s 7HENUSINGTHE7RITE6IEWEDITORIFTHECALCULATIONRESULTISDISPLAYED

USINGFRACTIONSORIRRATIONALNUMBERSPRESSU to convert it to

DECIMALFORMlRST

s 4HEMODIFYFUNCTIONCANBEUSEDIN./2-!,34!4-!42)8OR

6%#4/2MODES

The Line Editor

Entry and display

)NTHE,INEEDITORYOUCANENTERANDDISPLAYEQUATIONSLINEBYLINE

Notes:

s 5PTOTHREELINESOFTEXTMAYBEVIEWEDONTHESCREENATONETIME

s )NTHE,INEEDITORCALCULATIONRESULTSAREDISPLAYEDINDECIMALFORM

ORLINEFRACTIONNOTATIONIFPOSSIBLE

s 5SEUTOSWITCHTHEDISPLAYFORMATTOFRACTIONALFORMORDECIMAL

FORMIFPOSSIBLE

Editing the Equation

*USTAFTEROBTAININGANANSWERPRESSINGl brings you to the end

OFTHEEQUATIONANDPRESSINGr brings you to the beginning. Press

l, r, u, or d to move the cursor. Press @ l

or @ rTOJUMPTHECURSORTOTHEBEGINNINGORTHEENDOFTHE

EQUATION

Back space and delete key

To delete a number or function, move the cursor to the right of it, then

PRESSN9OUCANALSODELETEANUMBERORFUNCTIONTHATTHECURSORIS

DIRECTLYOVERBYPRESSING@ y.

.OTE )NAMULTILEVELMENUYOUCANPRESSNTOBACKTOTHE

PREVIOUSMENULEVEL

MATH Menu

/THERFUNCTIONSMAYBEAVAILABLEONTHISCALCULATORBESIDESTHOSE

PRINTEDONTHEKEYPAD4HESEFUNCTIONSAREACCESSEDUSINGTHE-!4(

menu. The MATH menu has different contents for each mode.

Press NTODISPLAYTHE-!4(MENU

Note: The NKEYCANNOTBEUSEDINTHESIMULATIONCALCULATIONSAND

SOLVERFUNCTIONSOF./2-!,MODEORINTHEITEMANDVALUE

INPUTSCREENSOFOTHERMODES

Multi-line Playback Function

4HISCALCULATORISEQUIPPEDWITHAFUNCTIONTORECALLPREVIOUSEQUATIONS

ANDANSWERSIN./2-!,OR#/-0,%8MODES0RESSINGuWILL

DISPLAYTHEPREVIOUSEQUATION4HENUMBEROFCHARACTERSTHATCANBE

SAVEDISLIMITED7HENTHEMEMORYISFULLSTOREDEQUATIONSWILLBE

DELETEDTOMAKEROOMSTARTINGWITHTHEOLDEST

s 4OEDITANEQUATIONAFTERRECALLINGITPRESSl or r.

s 4HEMULTILINEMEMORYWILLBECLEAREDBYTHEFOLLOWINGOPERATIONS

@ ZMODECHANGE2%3%4.BASECONVERSIONANGULARUNIT

conversion, editor change (@ J 2 0 0, @ J

2 0 1 or @ J 2 1), and memory clear

(@ P 1 0).

Priority Levels in Calculation

4HISCALCULATORPERFORMSOPERATIONSACCORDINGTOTHEFOLLOWINGPRIORITY

Fractions (1m4, etc.)



∠%NGINEERINGPRElXES



Functions

PRECEDEDBYTHEIRARGUMENT

−

, x



, n!,(%), etc.)

)MPLIED

MULTIPLICATIONOFAMEMORYVALUE9ETC

&UNCTIONSFOLLOWEDBYTHEIRARGUMENTSINCOS−), etc.)

)MPLIED

MULTIPLICATIONOFAFUNCTIONSIN!

⎯

, etc.)



N#RN0R'#$,#-

×, ÷, int÷

+, −

AND



/28/28./2



=, M+, M−,

M, Ź$%'ŹRAD, Ź'2!$ rθ,

, and other calculation

ending instructions

s )FPARENTHESESAREUSEDPARENTHESIZEDCALCULATIONSHAVE

PRECEDENCEOVERANYOTHERCALCULATIONS

SCIENTIFIC CALCULATIONS

Arithmetic Operations

s 4HECLOSINGPARENTHESIS) just before = or m may be

omitted.

Constant Calculations

s )NCONSTANTCALCULATIONSTHEADDENDBECOMESACONSTANT

3UBTRACTIONANDDIVISIONAREPERFORMEDINTHESAMEMANNER&OR

MULTIPLICATIONTHEMULTIPLICANDBECOMESACONSTANT

s )NCONSTANTCALCULATIONSCONSTANTSWILLBEDISPLAYEDAS+

s

#ONSTANTCALCULATIONSCANBEPERFORMEDIN./2-!,OR34!4MODES

Conversion to Engineering notation

9OUCANUSE; < or ; > to convert the calculation result

to engineering notation.

s 0RESS; <TODECREASETHEEXPONENT0RESS; > to

INCREASETHEEXPONENT

s 4HESETTINGS&3%INTHE3%450MENUDONOTCHANGE

Functions

s 2EFERTOTHECALCULATIONEXAMPLESFOREACHFUNCTION

s )NTHE,INEEDITORTHEFOLLOWINGSYMBOLSAREUSED

s

TOINDICATEANEXPRESSIONSPOWERm, @ ", @

s

TOSEPARATEINTEGERSNUMERATORSANDDENOMINATORSW,

@ k)

s 7HENUSING@ O or @ WINTHE,INEEDITORVALUESARE

ENTEREDINTHEFOLLOWINGWAY

s LOGNbase, value)

s ABSvalue

Integral/Differential Functions

)NTEGRALANDDIFFERENTIALCALCULATIONSCANBEPERFORMEDIN./2-!,

mode.

.OTE 3INCEINTEGRALANDDIFFERENTIALCALCULATIONSAREPERFORMED

BASEDONTHEFOLLOWINGEQUATIONSCORRECTRESULTSMAYNOT

BEOBTAINEDINCERTAINRARECASESWHENPERFORMINGSPECIAL

CALCULATIONSTHATCONTAINDISCONTINUOUSPOINTS

)NTEGRALCALCULATION3IMPSONSRULE

( )

−

⎯

≤



⎯



{

(

)

(

)

(



)

...

(

−

)}

[

(



)

(

)

...

(

−



)}

(

)}

Differential calculation:

f´(x)

(

⎯



)

−

(

−

⎯



)

—

Various functions

s 2EFERTOTHECALCULATIONEXAMPLESFOREACHFUNCTION

GCD (the Greatest Common Divisor)

7HATISTHE'#$OF

AND

LCM (the Least Common Multiple)

7HATISTHE,#-OF

AND

int÷

s v1vINDICATESh1UOTIENTvANDh2vINDICATESh2EMAINDERv

s 0RESSING@ 6CANNOTBEFOLLOWEDBYPRESSINGAKEYFOR

ANOTHEROPERATIONSUCHASn¾¿OTHERWISEANERRORWILLRESULT

s 4HEQUOTIENTANDREMAINDERARESHOWNINh./2-vFORMAT)FNOT

ALLDIGITSCANBEDISPLAYEDINh./2-vFORMATNORMALDIVISIONIS

PERFORMED

ipart

2ETURNSONLYTHEINTEGERPARTOFADECIMALNUMBER

fpart

2ETURNSONLYTHEFRACTIONPARTOFADECIMALNUMBER

int

2ETURNSTHEHIGHESTINTEGERVALUETHATDOESNOTEXCEEDTHEVALUE

SPECIlED

(%)

7HENSPECIlEDIMMEDIATELYAFTERAVALUETHEVALUEISTREATEDASA

PERCENTAGE

Note: For calculation using @

, refer to the calculation

EXAMPLES.O9OUCANUSE@

TOPERFORMPREMIUM

discount, and other calculations.

Prime Factorization

)N./2-!,MODETHECALCULATIONRESULTCANBESHOWNASAPRODUCT

OFPRIMENUMBERS

s!POSITIVEINTEGERGREATERTHANANDNOMORETHANDIGITSCANBE

FACTOREDINTOPRIMES

s!NUMBERTHATCANNOTBEFACTOREDINTOAPRIMENUMBERWITHDIGITS

ORSHORTERISSHOWNINPARENTHESES

s4HECALCULATIONRESULTOFPRIMEFACTORIZATIONISDISPLAYEDACCORDINGTO

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Entry value

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OPERATION MANUAL

EL-W506T

EL-W516T

EL-W516XG

-/$%,

ENGLISH

Need help?

Do you have a question about the Sharp WriteView EL-W506T and is the answer not in the manual?

Summary

Before Using the Calculator

Introduction to Calculator

Overview of calculator features and basic operation.

Key Notations in Manual

Explanation of symbols and buttons used throughout the manual.

The WriteView Editor

Display Notation and Decimal Places

Setting scientific notation and decimal precision for display.

Line Editor Functionality

Description of the line editor for inputting expressions.

Display Contrast Adjustment

How to adjust the screen's contrast for readability.

Decimal Point Setting

Configuration of the decimal point format (dot or comma).

Mode Information

Selecting Calculation Modes

Guide on choosing appropriate calculation modes.

Mode Switching Procedures

Instructions on how to switch between different calculation modes.

Performing Calculations

Basic Arithmetic Operations

Performing addition, subtraction, multiplication, division.

Reciprocal and Percentage Calculations

Calculating reciprocals and performing percentage operations.

Power and Root Functions

Using square roots, cubes, powers, and factorials.

Random Number Generation

Instructions for generating random numbers.

Calculations Using Engineering Prefixes

Applying Engineering Prefixes

How to use engineering prefixes (k, M, G, etc.) in calculations.

Angle Unit Conversions

Angular Unit Conversions

Converting between degrees, radians, and gradians.

Memory Functions

Temporary Memories (M-P, M-R, M-S)

Using temporary memory registers for calculations.

Independent Memory (M)

Storing and recalling values in the independent memory.

Last Answer Memory (Ans)

Accessing the result of the previous calculation.

Dedicated Memory Registers

Using dedicated memory registers for storing data.

Physical Constants and Metric Conversions

Physical Constants and Conversions

Accessing physical constants and performing metric conversions.

LCM and GCD Calculations

LCM and GCD Calculation

Finding the Least Common Multiple and Greatest Common Divisor.

Statistical Calculations

Statistical Data Entry and Input

Entering data for statistical analysis.

Statistical Calculation Variables

Understanding variables used in statistical calculations.

Data Correction

Correcting errors during data entry for statistics.

Statistical Calculations Summary

Overview of statistical calculation types.

Quadratic Regression Calculations

Performing quadratic regression analysis.

Exponential Regression

Performing exponential regression analysis.

Logarithmic Regression

Performing logarithmic regression analysis.

Quadratic Regression

Performing quadratic regression analysis.

Distribution Functions

Normal Distribution

Calculating probabilities for the normal distribution.

Inverse Normal Distribution

Finding values for inverse normal distribution.

Poisson Distribution

Calculating probabilities for the Poisson distribution.

Binomial Distribution

Calculating probabilities for the binomial distribution.

Drill Mode

Drill Mode Operation

Instructions for using the Drill Mode feature.

Complex Number Calculations

Performing calculations with complex numbers.

Modifying a Matrix

Modifying Matrix Elements

How to change individual elements within a matrix.

Equation Solvers

Vector Calculations

Using Vectors in Calculations

How to input and use vectors in calculations.

Calculations Using Engineering Prefixes

Calculator Settings

General calculator settings and display options.

Automatic Power Off Function

Automatic Power Off

Information about the automatic power off feature.

Notes on Battery Replacement

Battery Replacement Safety

Precautions and instructions for replacing the battery.

Notes on Care of Memory Contents

Memory Content Precautions

Important notes regarding the preservation of memory contents.

Error Codes and Error Types

Error Code Explanations

Listing and explaining common error codes and their meanings.

Alert Messages

Alert Message Interpretation

Understanding and responding to alert messages.

Other Functions

Calculations Examples

Basic Calculations Examples

This document describes the Sharp Scientific Calculator, models EL-W506T and EL-W506TS. This calculator is designed to assist users with a wide range of mathematical and statistical computations, offering a user-friendly interface and various modes to suit different academic and professional needs.

Function Description

The calculator provides a comprehensive set of mathematical functions, including basic arithmetic, scientific notation, trigonometric functions, logarithmic functions, and statistical calculations. It supports complex numbers, vectors, matrices, and various unit conversions. The WriteView editor is a key feature, allowing users to input and display mathematical expressions in a natural, textbook-like format, making it easier to understand and verify calculations.

WriteView Editor: This feature enables the display of equations and results exactly as they would appear in a textbook. This natural display is particularly helpful for fractions, roots, and other complex expressions, enhancing readability and reducing errors. Users can input expressions directly, and the calculator will format them appropriately.

Equation Solvers: The calculator includes solvers for various types of equations, such as linear equations, quadratic equations, and cubic equations. These solvers simplify the process of finding roots or solutions, which is particularly useful in algebra and calculus.

Statistical Calculations: A robust set of statistical functions is available, covering descriptive statistics (mean, median, mode, standard deviation, variance), regression analysis (linear, quadratic, exponential, logarithmic, power), and probability distributions (normal, binomial, Poisson). Users can input data sets and perform various analyses to understand data trends and make predictions.

Complex Number Calculations: The calculator supports operations with complex numbers, including addition, subtraction, multiplication, division, and conversions between rectangular and polar forms. This is essential for fields like electrical engineering and physics.

Vector and Matrix Calculations: Users can define and manipulate vectors and matrices, performing operations such as addition, subtraction, scalar multiplication, dot products, cross products, and matrix inversion. This functionality is valuable for linear algebra and related applications.

Unit Conversions: A wide array of unit conversions is built-in, allowing users to convert between different units of measurement for length, mass, volume, temperature, and more. This feature saves time and reduces the need for external conversion tables.

Constants: The calculator stores a list of commonly used physical constants, which can be easily inserted into calculations. This ensures accuracy and efficiency when working with scientific formulas.

Drill Mode: This mode is designed for practice and learning, offering exercises in arithmetic, multiplication, and other basic operations. Users can select the number of questions and difficulty level, and the calculator will provide feedback on their answers. This is a valuable tool for students to improve their mathematical skills.

Memory Functions: The calculator includes several memory functions to store numbers and expressions. Independent memory (M) allows for cumulative storage, while variable memories (A, B, C, D, E, F, X, Y) can store individual values. Last answer memory (ANS) stores the result of the previous calculation, and formula memory (FMLA) can store frequently used formulas. This helps streamline repetitive calculations.

Display Settings: Users can adjust various display settings, including the number of decimal places, scientific notation (SCI), engineering notation (ENG), and normal display (NORM). This flexibility allows users to customize the display according to their preferences and the requirements of specific problems.

Angle Units: The calculator supports different angle units, including degrees (DEG), radians (RAD), and gradians (GRAD), which can be selected based on the context of the problem.

Multi-line Playback: This feature allows users to scroll through previous calculations and results, making it easy to review and re-use parts of earlier computations without re-entering them.

Hard Case: The calculator comes with a hard case to protect it from damage, ensuring durability and longevity.

Usage Features

Input and Display: The WriteView editor is central to the user experience. To input an expression, users simply type it out as they would write it on paper. The calculator automatically adjusts the display to fit the screen. If an expression is too long, it can be scrolled horizontally. The display also shows indicators for various modes (e.g., STAT for statistics, CMPLX for complex numbers) and angle units (DEG, RAD, GRAD).

Correction and Editing: If an error is made during input, the cursor can be moved using the arrow keys to the desired position, and corrections can be made by inserting or deleting characters. The DEL key deletes the character at the cursor, while 2ndF DEL (INS) inserts a character. This allows for flexible editing of expressions.

Mode Selection: The calculator has several modes, each dedicated to specific types of calculations. Users can switch between modes using the MODE key. Common modes include:

NORMAL: For general arithmetic and function calculations.
STAT: For statistical calculations.
CMPLX: For complex number calculations.
MATRIX: For matrix calculations.
VECTOR: For vector calculations.
EQUATION: For solving equations.
DRILL: For practice exercises.

Using Memory: To store a value in independent memory (M), use the M+ key. To recall it, use RCL M. To store a value in a variable memory (e.g., A), use STO A. To recall it, use RCL A. The ANS key automatically recalls the last calculated result.

Unit Conversions and Constants: To perform a unit conversion, input the value, then press 2ndF CONV and select the desired conversion from the menu. To insert a constant, press 2ndF CONST and select the constant from the list.

Statistical Data Entry: In STAT mode, users can enter data points into a table. The calculator automatically calculates various statistical measures based on the entered data. For regression analysis, pairs of data points (X, Y) can be entered.

Equation Solving: In EQUATION mode, users select the type of equation (e.g., linear, quadratic). The calculator then prompts for the coefficients, and upon entry, displays the solutions.

Complex Number Operations: In CMPLX mode, complex numbers can be entered using the i key. Operations are performed similarly to real numbers. Conversions between rectangular and polar forms are available through dedicated functions.

Vector and Matrix Operations: In VECTOR or MATRIX mode, users first define the dimensions and elements of the vectors or matrices. Once defined, various operations can be performed by selecting them from the menu.

Drill Mode Usage: In DRILL mode, users select the type of drill (e.g., arithmetic, multiplication), the number of questions, and the difficulty level. The calculator then presents questions, and users input their answers. The calculator provides immediate feedback on correctness.

Error Messages: If an invalid operation is attempted, an error message will be displayed (e.g., "ERROR 1" for syntax error, "ERROR 2" for calculation error). Users should review the expression or operation to identify and correct the mistake.

Maintenance Features

Battery Replacement: The calculator is powered by batteries. When the display becomes dim or calculations are incorrect, it indicates that the batteries need to be replaced. The manual provides instructions on how to open the battery compartment and replace the batteries. It is important to use the specified battery type and ensure correct polarity. After battery replacement, it is recommended to reset the calculator to ensure proper operation.

Resetting the Calculator: The calculator can be reset to its initial factory settings. This is useful if the calculator behaves erratically or if users want to clear all stored data and settings. The reset procedure typically involves pressing a specific key combination or using a dedicated reset button.

Care and Handling: To ensure the longevity of the calculator, it should be handled with care. Avoid dropping it or exposing it to extreme temperatures, humidity, or direct sunlight. The hard case provides protection during transport and storage. The display should be cleaned with a soft, dry cloth; harsh chemicals or abrasive materials should not be used.

Troubleshooting: The manual includes a troubleshooting section that addresses common issues, such as display problems, incorrect calculations, or unresponsive keys. This section provides solutions and guidance for resolving minor problems without needing professional repair.

Environmental Considerations: The calculator is designed with environmental considerations in mind. Information on proper disposal of the calculator and its batteries is provided, encouraging users to follow local regulations for recycling and waste management.

By understanding these functions, usage features, and maintenance guidelines, users can effectively utilize the Sharp Scientific Calculator EL-W506T/EL-W506TS for a wide range of mathematical and scientific tasks.

Sharp WriteView EL-W506T Specifications

General

Type	Scientific Calculator
Number of Functions	640
Power Source	Battery
Battery Type	LR44 x 1
WriteView Feature	Yes
Equation Editor	Yes
Fraction Calculations	Yes
Complex Number Calculations	Yes
Matrix Calculations	Yes
Vector Calculations	Yes
Statistical Calculations	Yes
Base-n Calculations	Yes
Differential Calculations	Yes
Integration Calculations	Yes
Equation Solver	Yes
Memory	9
Weight	100 g