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3AFETY0RECAUTIONS
"E SURE TO READ THE FOLLOWING SAFETY PRECAUTIONS BEFORE USING
THISCALEEPTHISMANUALHANDYFORLATERREFERENCE
"ATTERIES
s !FTER REMOVING THE BATTERIES FROM THE CALCULATOR PUT THEM IN
A SAFE PLACE WHERE THERE IS NO DANGER OF THEM GETTING INTO
THEHANDSOFSMALLCHILDRENANDACCIDENTLYSWALLOWED
s +EEP BATTERIES OUT OF THE REACH OF CHILDREN )F ACCIDENTALLY
SWALLOWEDCONSULTWITHAPHYSICIANIMMEDIATELY
s .EVER CHARGE BATTERIES TRY TO TAKE BATTERIES APART OR ALLOW
BATTERIES TO BECOME SHORTED .EVER EXPOSE BATTERIES TO
DIRECTHEATORDISPOSEOFTHEMBYINCINERATION
s -ISUSE OF BATTERIES CAN CAUSE THEM TO LEAK ACID THAT CAN
CAUSE DAMAGE TO NEARBY ITEMS AND CREATES THE POSSIBILITY OF
FIREANDPERSONALINJURY
s !LWAYS MAKE SURE THAT A BATTERYgS POSITIVE AND NEGATIVE
n SIDES ARE FACING CORRECTLY WHEN YOU LOAD IT INTO THE
CALCULATOR
s 2EMOVE THE BATTERIES IF YOU DO NOT PLAN TO USE THE CALCULATOR
FORALONGTIME
s 5SE ONLY THE TYPE OF BATTERIES SPECIFIED FOR THIS CALCULATOR IN
THISMANUAL
s $IM FIGURES ON THE DISPLAY OF THE CALCULATOR INDICATE THAT
BATTERY POWER IS LOW #ONTINUED USE OF THE CALCULATOR WHEN
THE BATTERY IS LOW CAN RESULT IN IMPROPER OPERATION 2EPLACE
THE BATTERY AS SOON AS POSSIBLE WHEN DISPLAY FIGURES BECOME
DIM
$ISPOSINGOFTHE#ALCULATOR
s .EVER DISPOSE OF THE CALCULATOR BY BURNING IT $OING SO CAN
CAUSE CERTAIN COMPONENTS TO SUDDENLY BURST CREATING THE
DANGEROFFIREANDPERSONALINJURY
s 4HE DISPLAYS AND ILLUSTRATIONS SUCH AS KEY MARKINGS SHOWN
IN THIS /WNERgS -ANUAL ARE FOR ILLUSTRATIVE PURPOSES ONLY AND
MAYDIFFERSOMEWHATFROMTHEACTUALITEMSTHEYREPRESENT
s 4HE CONTENTS OF THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT
NOTICE
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(ANDLING0RECAUTIONS
s "E SURE TO PRESS THE /. KEY BEFORE USING THE CALCULATOR FOR
THEFIRSTTIME
s %VEN IF THE CALCULATOR IS OPERATING NORMALLY REPLACE THE
BATTERY AT LEAST ONCE EVERY THREE YEARS $EAD BATTERY CAN
LEAK CAUSING DAMAGE TO AND MALFUNCTION OF THE CALCULATOR
.EVERLEAVETHEDEADBATTERYINTHECALCULATOR
s 4HE BATTERY THAT COMES WITH THIS UNIT DISCHARGES SLIGHTLY
DURING SHIPMENT AND STORAGE "ECAUSE
IT MAY REQUIRE
REPLACEMENTSOONERTHANTHENORMALEXPECTEDBATTERYLIFE
s ,OW BATTERY POWER CAN CAUSE MEMORY CONTENTS TO BECOME
CORRUPTED OR LOST COMPLETELY !LWAYS KEEP WRITTEN RECORDS OF
ALLIMPORTANTDATA
s !VOID USE AND STORAGE IN AREAS SUBJECTED TO TEMPERATURE
EXTREMES 6ERY LOW TEMPERATURES CAN CAUSE SLOW DISPLAY
RESPONSE TOTAL FAILURE OF THE DISPLAY AND SHORTENING OF
BATTERY LIFE !LSO AVOID LEAVING THE CALCULATOR IN DIRECT
SUNLIGHT
WINDOW NEAR A HEATER OR ANYWHERE ELSE IT
MIGHT BECOME EXPOSED TO VERY HIGH TEMPERATURES (EAT CAN
CAUSE DISCOLORATION OR DEFORMATION OF THE CALCULATORgS CASE
OINTERNALCIRCUITRY
s !VOID USE AND STORAGE IN AREAS SUBJECTED TO LARGE AMOUNTS OF
HUMIDITY AND DUST 4AKE CARE NEVER TO LEAVE THE CALCULATOR
WHERE IT MIGHT B
BY WATER OR EXPOSED TO LARGE
AMOUNTS OF HUMIDITY OR DUST 3UCH ELEMENTS CAN DAMAGE
INTERNALCIRCUITRY
s .EVER DROP THE CALCULATOR OR OTHERWISE SUBJECT IT TO STRONG
IMPACT
s .EVER TWIST OR BEND THE CALCULATOR !VOID CARRYING THE
CALCULATOR IN THE POCKET OF YOUR TROUSERS OR OTHER TIGHT
FITTING CLOTHING WHERE IT MIGHT BE SUBJECTED TO TWISTING OR
BENDING
s.EVERTRYTOTAKETHECALCULATORAPART
s .EVER PRESS THE KEYS OF THE CALCULATOR WITH A BALLPOINT PEN OR
OTHERPOINTEDOBJECT
s 5SE A SOFT DRY CLOTH TO CLEAN THE EXTERIOR OF THE UNIT )F THE
CALCULATOR BECOMES VERY DIRTY WIPE IT OFF WITH A CLOTH
MOISTENED IN A WEAK SOLUTION OF WATER AND A
AL
HOUSEHOLD DETERGENT 7RING OUT ALL EXCESS MOISTURE BEFORE
WIPING THE CALCULATOR .EVER USE THINNER BENZINE OR OTHER
VOLATILE AGENTS TO CLEAN THE CALCULATOR $OING SO CAN REMOVE
PRINTEDMARKINGSANDDAMAGETHECASE
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4WOLINES$ISPLAY
9OU CAN SIMULTANEOUSLY CHECK THE CALCULATION FORMULA AND ITS
ANSWER 4HE FIRST LINE DISPLAYS THE CALCULATION FORMULA 4HE
SECONDLINEDISPLAYSTHEANSWER
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"EFORE3TARTING#ALCULATIONS
-ODES
"EFORE STARTING A CALCULATION YOU MUST FIRST ENTER THE CORRECT
MODEASINDICATEDINTHETABLEBELOW
s 0RESSING THE ;-/$%= KEY MORE THAN ONCE DISPLAYS ADDITIONAL
SETUP SCREENS 3ETUP SCREENS ARE DESCRIBED IN THE SECTIONS OF
THIS MANUAL WHERE THEY ARE ACTUALLY USED TO CHANGE THE
CALCULATORSETUP
.OTE
s 4O RETURN THE CALCULATION MODE AND SETUP TO THE INITIAL
DEFAULTSSHOWNBELOWPRESS ;3()&4=;#,2=;=;=
#ALCULATION-ODE
#/-0
!NGLE5NIT
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&RACTION$ISPLAY&ORMAT
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s-ODEINDICATORSAPPEARINTHEUPPERPARTOFTHEDISPLAY
s "E SURE TO CHECK THE CURRENT CALCULATION MODE 3$ 2%'
#/-0 AND ANGLE UNIT SETTING $EG 2AD 'RA BEFORE
BEGINNINGACALCULATION
)NPUT#APACITY
s 4HE MEMORY AREA USED FOR CALCULATION INPUT CAN HOLD
STEPS /NE STEP IS TAKEN UP EACH TIME YOU PRESS A NUMBER
KEY OR ARITHMETIC OPERATOR KEY
! ;3()&4= OR
;!,0(!= KEY OPERATION DOES NOT TAKE UP A STEP SO INPUTTING
;3()&4=;N0R=FOREXAMPLETAKESUPONLYONESTEP
s 9OU CAN INPUT UP TO STEPS FOR A SINGLE CALCULATION
7HENEVER YOU INPUT THE RD STEP OF ANY CALCULATION THE
CURSOR CHANGES FROM ? TO
J
TO LET YOU KNOW MEMORY IS
RUNNING LOW )F YOU NEED TO INPUT MORE THAN STEPS YOU
SHOULDDIVIDEYOURCALCULATIONINTOTWOORMOREPARTS
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THISMODE
"ASICARITHIMETIC
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3TANDARDDEVIATION
2EGRESSIONCALCULATIONS
;-ODE=;=
;-ODE=;=
;-ODE=;=
#/-0
3$
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s 0RESSING THE ;!NS= KEY RECALLS THE LAST RESULT OBTAINED WHICH
YOU CAN USE IN A SUBSEQUENT CALCULATION 3EE !NSWER
-EMORYFORMOREINFORMATIONABOUTUSINGTHE;!NS=KEY
-AKING#ORRECTIONS$URING)NPUT
s 5SE ;
= AND ;
= TO MOVE THE CURSOR TO THE LOCATION YOU
WANT
s 0RESS ;$%,= TO DELETE THE NUMBER OR FUNCTION AT THE CURRENT
CURSORPOSITION
s 0RESS ;3()&4= ;).3= TO CHANGE TO AN INSERT CURSOR
)NPUTTING SOMETHING WHILE THE INSERT CURSOR IS ON THE DISPLAY
INSERTSTHEINPUTATTHEINSERTCURSORPOSITION
s 0RESSING ;3()&4= ;).3= OR ;= RETURNS TO THE NORMAL CURSOR
FROMTHEINSERTCURSOR
2EPLAY&UNCTION
s %VERY TIME YOU PERFORM A CALCULATION THE 2EPLAY &UNCTION
STORES THE CALCULATION FORMULA AND ITS RESULT IN REPLAY
MEMORY 0RESSING THE ;
= KEY DISPLAYS THE FORMULA AND
RESULT OF THE CALCULATION YOU LAST PERFORMED 0RESSING ;
=
AGAIN BACK STEPS SEQUENTIALLY NEW TO OLD THROUGH PAST
CALCULATIONS
s 0RESSING THE ;
= OR ;
= KEY WHILE A REPLAY MEMORY
CALCULATIONISONTHEDISPLAYCHANGESTOTHEEDITINGSCREEN
s 0RESSING THE ;
= OR ;
= KEY IMMEDIATELY AFTER YOU FINISH A
CALCULATIONDISPLAYSTHEEDITINGSCREENFORTHATCALCULATION
s 0RESSING ;!#= DOES NOT CLEAR 2EPLAY MEMORY SO YOU CAN
RECALLTHELASTCALCULATIONEVENAFTERYOUPRESS ;!#=
s 2EPLAY MEMORY CAPACITY IS BYTES FOR STORAGE OF BOTH
EXPRESSIONSANDRESULTS
s2EPLAYMEMORYISCLEAREDBYANYOFTHEFOLLOWINGACTIONS
7HENYOUPRESSTHE;/.=KEY
7HEN YOU INITIALIZE MODES AND SETTINGS BY PRESSING ;3()&4=
;#,2=;=;=
7HENYOUCHANGEFROMONECALCULATIONMODETOANOTHER
7HENYOUTURNOFFTHECALCULATOR
%RROR,OCATOR
s 0RESSING ;
= OR ;
= AFTER AN ERROR OCCURS DISPLAYS THE
CALCULATION WITH THE CURSOR POSITIONED AT THE LOCATION WHERE
THEERROROCCURED
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-ULTISTATEMENTS
! MULTISTATEMENT IS AN EXPRESSION THAT IS MADE UP OF TWO OR
MORESMALLEREXPRESSIONSWHICHAREJOINEDUSINGACOLON ;=
%XAMPLE ANDTHENMULTIPLYTHERESULTBY
; =;!,0(!=;=;!NS=; =;=
;=
%XPONENTIAL$ISPLAY&ORMATS
4HIS CALCULATOR CAN DISPLAY UP TO DIGITS ,ARGER VALUES ARE
AUTOMATICALLY DISPLAYED USING EXPONENTIAL NOTATION )N THE
CASE OF DECIMAL VALUES YOU CAN SELECT BETWEEN TWO FORMATS
THATDETERMINEATWHATPOINTEXPONENTIALNOTATIONISUSED
s 4O CHANGE THE EXPONENTIAL DISPLAY FORMAT PRESS THE ;-/$%=
KEY A NUMBER OF TIMES UNTIL YOU REACH THE EXPONENTIAL
DISPLAYFORMATSETUPSCREENSHOWNBELOW
s 0RESS ;= /N THE FORMAT SELECTION SCREEN THAT APPEARS PRESS
;=TOSELECT.ORMOR;=FOR.ORM
s.ORM
7ITH .ORM EXPONENTIAL NOTATION IS AUTOMATICALLY USED FOR
INTEGER VALUES WITH MORE THAN DIGITS AND DECIMAL VALUES
WITHMORETHANTWODECIMALPLACES
s.ORM
7ITH .ORM EXPONENTIAL NOTATION IS AUTOMATICALLY USED FOR
INTEGER VALUES WITH MORE THAN DIGITS AND DECIMAL VALUES
WITHMORETHANNINEDECIMALPLACES
s !LL OF THE EXAMPLES IN THIS MANUAL SHOW CALCULATION RESULTS
USINGTHE.ORMFORMAT
nn
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!NSX
&IX3CI.ORM
$ECIMAL0OINTAND3EPARATOR3YMBOLS
9OU CAN USE THE DISPLAY SETUP $ISP SCREEN TO SPECIFY THE
SYMBOLSYOUWANTFORTHEDECIMALPOINTANDDIGITSEPARATOR
s 4O CHANGE THE DECIMAL POINT AND SEPARATOR SYMBOL SETTING
PRESS THE ;-/$%= KEY A NUMBER OF TIMES UNTIL YOU REACH THE
SETUPSCREENSHOWNBELOW
s$ISPLAYTHESELECTIONSCREEN ;=;
=
s 0RESS THE NUMBER KEY ;= OR ;= THAT CORRESPONDS TO THE
SETTINGYOUWANTTOUSE
;=DOT
0ERIODDECIMALPOINTCOMMASEPARATOR
;=COMMA #OMMADECIMALPOINTPERIODSEPARATOR
3TACKS
4HIS CALCULATOR USES MEMORY AREAS CALLED STACKS TO
TEMPORARILY STORE VALUES NUMERIC STACK AND COMMANDS
COMMAND STACK ACCORDING TO THEIR PRECEDENCE DURING
CALCULATIONS 4HE NUMERIC STACK HAS LEVELS AND THE
COMMAND STACK HAS LEVELS ! STACK ERROR 3TACK %22/2
OCCURS WHENEVER YOU TRY TO PERFORM A CALCULATION THAT IS SO
COMPLEXTHATTHECAPACITYOFASTACKISEXCEEDED
s #ALCULATIONS ARE PERFORMED IN SEQUENCE ACCORDING TO
#ALCULATION 0RIORITY 3EQUENCE #OMMANDS AND VALUES ARE
DELETEDFROMTHESTACKASTHECALCULATIONISPERFORMED
/VERFLOWAND%RRORS
)F THE OPERATIONAL RANGE OF THE UNIT IS EXCEEDED OR INCORRECT
INPUTS ARE MADE AN ERROR MESSAGE WILL APPEAR ON THE DISPLAY
AND SUBSEQUENT OPERATION WILL BE IMPOSSIBLE 4HIS IS CARRIED
OUT BY THE ERROR CHECK FUNCTION 4HE FOLLOWING OPERATIONS WILL
RESULTINERRORS
4HE ANSWER WHETHER INTERMEDIATE OR FINAL OR ANY VALUE IN
MEMORYEXCEEDSTHEVALUEOF
p
!N ATTEMPT IS MADE TO PERFORM FUNCTION CALCULATIONS THAT
EXCEEDTHEINPUTRANGE
)MPROPER OPERATION DURING STATISTICAL CALCULATIONS EG
ATTEMPTINGTOOBTAINXORX NWITHOUTDATAINPUT
4HE CAPACITY OF THE NUMERIC VALUE STACK OR THE COMMAND
STACKISEXCEEDED
)NPUTERRORSAREMADEEG
nn
$ISP
CASE TOCASE
-ATH%22/2
CASE
3TACK%22/2
CASE
3YNTAX%22/2
4HE CALCULATOR IS LOCKED UP WHILE AN ERROR MESSAGE IS ON THE
DISPLAY 0RESS ;!#= TO CLEAR THE ERROR OR PRESS ;
= OR ;
= TO
DISPLAY THE CALCULATION AND CORRECT THE PROBLEM 3EE %RROR
,OCATORFORDETAILS
)NTERNALDIGITS
&OR A SINGLE CALCULATION CALCULATION ERRORS IS
p
AT THE TH
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p
AT THE LAST SIGNIFICANT DIGIT %RRORS ARE CUMULATIVE IN THE CASE OF
CONSECUTIVE CALCULATIONS WHICH CAN ALSO CAUSE THEM TO
BECOME LARGE 4HIS IS ALSO TRUE OF INTERNAL CONSECUTIVE
CALCULATIONS THAT ARE PERFORMED IN THE CASE OF
}
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INFLECTIONERRORSARECUMULATIVEANDMAYBECOMELARGE
#ALCULATION0RIORITY3EQUENCE
#ALCULATIONS ARE PERFORMED IN THE FOLLOWING ORDER OF
PRECEDENCE
#OORDINATETRANSFORMATION0OLXY 2ECR
4YPE!FUNCTIONS
7ITH THESE FUNCTIONS THE VALUE IS ENTERED AND THEN THE
FUNCTIONKEYISPRESSEDX
X
X
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X
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ANGLEUNITCONVERSIONS
0OWERSANDROOTS
}
X
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B
C
!BBREVIATED MULTIPLICATION FORMAT IN FRONT OF
P
MEMORY
NAMEORVARIABLENAMESUCHAS
P
!
P
!ETC
4YPE"FUNCTIONS
7ITH THESE FUNCTIONS THE FUNCTION KEY IS PRESSED AND THEN
THEVALUEISENTERED
LOG LN E
X
X
SIN COS TAN SIN
n
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TAN
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SINH COSH
TANHSINH
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n
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n
!BBREVIATED MULTIPLICATION FORMAT IN FRONT OF 4YPE "
FUNCTIONS
!LOGETC
0ERMUTATIONCOMBINATIONN0RN#R
nn
s /PERATIONS OF THE SAME PRECEDENCE ARE PERFORMED FROM
RIGHTTOLEFTE
X
LN
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[LN
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s/THEROPERATIONSAREPERFORMEDFROMLEFTTORIGHT
s/PERATIONSENCLOSEDINPARENTHESESAREPERFORMEDFIRST
)NITIALIZINGTHE#ALCULATOR
s 0ERFORM THE FOLLOWING KEY OPERATION WHEN YOU WANT TO
INITIALIZE THE CALCULATION MODE AND SETUP AND CLEAR REPLAY
MEMORYANDVARIABLES
;3()&4=;#,2=;=;=
"ASIC#ALCULATIONS
!RITHMETIC#ALCULATIONS
5SE THE ;-/$%= KEY TO ENTER THE #/-0 -ODE WHEN YOU WANT
TOPERFORMBASICCALCULATIONS;-/$%=;=
s .EGATIVE VALUES INSIDE OF CALCULATIONS MUST BE ENCLOSED
WITHINPARENTHESES
SINn
m
;SIN=;=;n =; =
s )T IS NOT NECESSARY TO ENCLOSE A NEGATIVE EXPONENT WITHIN
PARENTHESES
SIN
n
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;SIN=;%80=;n =
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PLEASENOTETHATINTERNALCALCULATIONISCALCULATED
INDIGITSFORAMANTISSAANDTHERESULTIS
DISPLAYEDANDROUNDEDOFFTODIGITS
; =; =;=
; =;n =; =;n =;=
; =; =
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;%80=; =;n =
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0ERCENTAGE#ALCULATIONS
nn
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&RACTIONS
s 9OU CAN USE THE DISPLAY SETUP $ISP SCREEN TO SPECIFY THE
DISPLAY FORMAT WHEN A FRACTION CALCULATION RESULT IS GREATER
THANONE
s 4O CHANGE THE FRACTION DISPLAY FORMAT PRESS THE ;-/$%= KEY
A NUMBER OF TIMES UNTIL YOU REACH THE SETUP SCREEN SHOWN
BELOW
s$ISPLAYTHESELECTIONSCREEN ;=
s 0RESS THE NUMBER KEY ;= OR ;= THAT CORRESPONDS TO THE
SETTING YOU WANT TO USE ;= A BC MIXED FRACTION ;= DC
IMPROPERFRACTION
s !N ERROR OCCURS IF YOU TRY TO INPUT A MIXED FRACTION WHILE THE
DCDISPLAYFORMATISSELECTED
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