Cole Parmer EW-98766-81 User manual

SPECIFICATIONS
Type: Hand-held, 12-digit, one memory
calculator with mark-up function
Display: ½″12-digitliquidcrystaldisplay(LCD)
Calculation Capacity: 12digitsinallcalculations
Decimal Point System: Floating
Features: Arithmetic calculation, percent, memory,
oatingdecimal,ratios,grandtotals,
auto power off
Indication Functions: Grand Total, Memory, Error
Power: Dualpowersupply-solarcellsand1.5
Voltbattery.Batterytakesoverwhen
lightisinsufcientforadequatepower
outputfromsolarcells.
Case: ABSplastic,drop-proof,chemical-
resistant
Size/Weight: 4½x2½x⅝inches/3oz
STANDARD CALCULATOR KEYS
[ON/AC] Poweron,resetandclearmemory
[CE] Cancelentryonly
[MU] Mark-up
[GT] Grandtotal
[OFF] Poweroff
[0…9] Numerickeys
[.] Decimalpointkey
[+][−][×][÷][=] Basicmathfunctions
[%] Percent
[+/−] Signchange
[MRC] Memoryrecall-Depressoncetorecallmemory
 Memoryclear-Depresstwicetoclearmemory
[M+] Memoryplus
[M−] Memoryminus
SETUP
Noinitialsetupisrequired.The12-DigitComputerissupplied
withsolarcellsandbatteryalreadyinstalled.Simplyipopen,
usingthengertabontheoutercase,press[ON/AC]keyandthe
calculatorisreadytouse.Theunitwillautomaticallypoweroff
after8minutesofnon-use.Whennishedpress[OFF]keyand
closethecalculator.
OPERATION
Useinthesamemannerasanystandardcalculator.
CALCULATIONS
[GT] Grand Total Memory:Eachpressofthe[=]keywill
automaticallyaddtheresulttothe[GT]memory.Torecallthe[GT]
memory,pressthe[GT]keyonce.Tocancelthe[GT]memory,
pressthe[ON/AC]key.
Example 1:
2 [÷] 3 [=] 0.66666666666
2 [×] 3 [=] 6
   [GT] 6.66666666666
Example 2:
115 [+] 280 [+] 105 [=] 500 ANSWER
A 115 [÷] [GT][%] 23 115(23%)
B 280 [÷] [GT][%] 56 280(56%)
C 105 [÷] [GT][%] 21 105(21%)
 Total500(100%)
[MU] Mark-up:Usetocalculateprotsanddiscounts.
Example1: Ifa20%discountisofferedona$10listitem,nd
thenewpriceandthedollarsaving.
10[×]20[+/-] [MU]displayreads8
 ($8isthenewprice)
 [MU]displayreads2($2isthesaving)

Example2: Ifa$10itemistobemarked-upby20%,ndthe
 sellingpriceandthedollardifference.
10[×]20 [MU]displayreads12($12issellingprice)
 [MU]displayreads2($2isthedifference
 between$10and$12)
ALL OPERATIONAL DIFFICULTIES
Ifthisunitdoesnotfunctionproperlyforanyreason,please
replacethebatterywithanewhigh-qualitybattery(see“Battery
Replacement”section).Lowbatterypowercanoccasionally
causeanynumberof“apparent”operationaldifculties.Replacing
thebatterywithanewfreshbatterywillsolvemostdifculties.
BATTERY REPLACEMENT
Locatethebatterycoverbelowthedisplay.Depressthebattery
coveratthearrowheadnextto“OPEN”.Gentlyliftuptheleft-
handedgeandpullthebatterycoverout.Removetheexhausted
batteryandinstallanew1.5voltsilver-oxidebattery.Installthe
newbatterysothatthepositivesideisfacingupward.Carefully
repositionthebatterycoverandsnapbackintoplace. 92-6025-40 Rev. 0 113017
12-DIGIT
COMPUTER
INSTRUCTIONS