Currency Converter is a GEM application which can be used to convert between different currencies. Currency Converter is also capable of subtracting sales tax from prices and adding sales tax to prices.
Currency Converter stores a catalogue of up to 64 currencies, and conversion is as simple as clicking on the relevant currencies with the mouse and typing the values. Complete keyboard control of the conversion process is also available. Icons (such as a country's flag) can be assigned to each currency to aid recognition.