Reckoner - Multi Calculator Is The Best Application Of Mathematical And Financial Calculation That Contains Several Useful Calculators And Converters. * Interest Calculator (Simple Interest , Compound Interest, Weekly Finance , Advanced Compound Interest) You Can Calculate Simple Interest, Compound Interest, Weekly Finance, Advanced Compound Interest At One Place With Multiple Currency Support(Rupee, Dollar), And You Can Also Have Option To Select Whether Rupee Or Dollar To Calculate And You Ca