This is a professional option calculator. It allows you to price an option and to configure the daycounter and pricing engine.The daycounters supported are :Actual/360Actual/ActualActual/365 (Fixed)The pricing engine supported areBlack-ScholesBarine-Adesi/WhaleyBjerksund/StenslandIntegralFinite differencesBinomial Jarrow-RuddBinomial Cox-Ross-RubinsteinAdditive equiprobabilitiesBinomial TrigeorgisBinomial TianBinomial Leisen-ReimerBinomial JoshiMC (crude)QMC (Sobol)MC (Longstaff Schwartz)