Compscieng TravCalc is a specially designed and easy-to-use calculator. Users will certainly be surprised at its superb and complete functions. Not only does it have a very friendly user interface, but also provides extremely strong currency and physical units conversions. You can find almost all the common and even special and professional units(eg., barrel, cord, teaspoon, assay ton, scruple) available. Also the International System of Units, the U.S. system, and British Imperial system are all supported. You will certainly enjoy its powerful memorizing functions. As design, TravCalc is suitable for all kinds of users.