MooseCalc will allow addition and subtraction of dates. Convert toJulian Day Number. Add, subtract dates. Moon Phases. Show equivalentdates in Jewish, Islamic and Julian calendars.MooseCalc has a built in Cities Database thousands and thousands ofcities around the world, their local time, Daylight saving timeinformation, time zone, as well as GPS formatted latitude/longitude.Time mode can also be used as a Stop Watch and a countdown Timer. It isa standard Numeric calculator with trig functions. It is a computercalculator that understands Binary, Hex, Decimal and Octal numberformats. ROMAN NUMERALS! Admit it. You've always wanted a calculatorthat handles Roman Numerals.