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
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"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
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s 4O RETURN THE CALCULATION MODE AND SETUP TO THE INITIAL
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s 4HE MEMORY AREA USED FOR CALCULATION INPUT CAN HOLD
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KEY OR ARITHMETIC OPERATOR KEY
! ;3()&4= OR
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7HENEVER YOU INPUT THE RD STEP OF ANY CALCULATION THE
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= TO MOVE THE CURSOR TO THE LOCATION YOU
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s 0RESS ;3()&4= ;).3= TO CHANGE TO AN INSERT CURSOR
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s 0RESSING ;3()&4= ;).3= OR ;= RETURNS TO THE NORMAL CURSOR
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s %VERY TIME YOU PERFORM A CALCULATION THE 2EPLAY &UNCTION
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=
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s 0RESSING THE ;
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= KEY IMMEDIATELY AFTER YOU FINISH A
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s 0RESSING ;!#= DOES NOT CLEAR 2EPLAY MEMORY SO YOU CAN
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s 2EPLAY MEMORY CAPACITY IS BYTES FOR STORAGE OF BOTH
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s2EPLAYMEMORYISCLEAREDBYANYOFTHEFOLLOWINGACTIONS
7HENYOUPRESSTHE;/.=KEY
7HEN YOU INITIALIZE MODES AND SETTINGS BY PRESSING ;3()&4=
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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
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CASE OF DECIMAL VALUES YOU CAN SELECT BETWEEN TWO FORMATS
THATDETERMINEATWHATPOINTEXPONENTIALNOTATIONISUSED
s 4O CHANGE THE EXPONENTIAL DISPLAY FORMAT PRESS THE ;-/$%=
KEY A NUMBER OF TIMES UNTIL YOU REACH THE EXPONENTIAL
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s 0RESS ;= /N THE FORMAT SELECTION SCREEN THAT APPEARS PRESS
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7ITH .ORM EXPONENTIAL NOTATION IS AUTOMATICALLY USED FOR
INTEGER VALUES WITH MORE THAN DIGITS AND DECIMAL VALUES
WITHMORETHANNINEDECIMALPLACES
s !LL OF THE EXAMPLES IN THIS MANUAL SHOW CALCULATION RESULTS
USINGTHE.ORMFORMAT
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$ECIMAL0OINTAND3EPARATOR3YMBOLS
9OU CAN USE THE DISPLAY SETUP $ISP SCREEN TO SPECIFY THE
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s 4O CHANGE THE DECIMAL POINT AND SEPARATOR SYMBOL SETTING
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=
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3TACKS
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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
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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
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= OR ;
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s 0ERFORM THE FOLLOWING KEY OPERATION WHEN YOU WANT TO
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;3()&4=;#,2=;=;=
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s .EGATIVE VALUES INSIDE OF CALCULATIONS MUST BE ENCLOSED
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s )T IS NOT NECESSARY TO ENCLOSE A NEGATIVE EXPONENT WITHIN
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