OfficeCalculatorisacalculatorwithavirtualtape.Itsupportscommercialrounding,easypercentagecalculationanddoescorrecttaxcalculation.Installitonyourdeviceandyougettheoptimalcalculatorforofficetasks.VirtualTapeYoucanswitchbetweencalculatorviewandandtapeviewtohaveafullscreenviewofthetape.Justtaponthetapeicontoswitchbetweenviews.Thetapeofthecalculatorcanhaveupto1000lines.CorrectionsontheTapeTapeYoucanchangevaluesonthevirtualtapetomakecorrections.Forcorrectionsgotothecontextmenuofthetapelinewithalongpress.PercentageCalculationThecalculatorhaspercentcalculationtoaddorsubtractpercentvalues.Thetapewilldisplaythepercentageandtheresultingvalue.TaxCalculationThecalculatorhastaxbuttons(TX,TX-)toaddorsubtracttax(salestax,VAT)Thismakesitveryeasytocalculatetaxamountswiththecalculator.Thetapewilldisplaythetaxrateandtheresultingvalue.AnnotationsontheTapeYoucanwriteacommenttoatapeline.FixedPointandFloatingPointCalculationThefixedpointarithmetichas20digitsand0-4decimalplaces.Thefloatingpointarithmetichas64bits(IEEEdoubleprecision).Bydefault,thecalculatorworkswithfixedpointarithmeticand2decimalplacesasneededformostcalculationswithamounts.RoundingThecalculatorsupportsthreeroundingmodes:up,downor5/4.Thisisthead-sponsoredvariantofOfficeCalculator,aProvariantofOfficeCalculatorwithoutadsisalsoavailable.