The Numerical Chameleon converts numbers with a precision of up to 1000 significant figures! The latest version supports more than 1000 units in 73 categories, including lengths, areas, volumes, durations, bits & bytes, angles, temperatures, exchange rates, roman numerals, spoken numbers, one of 36 possible radixes and more. You can add new categories and units, and you can modify or delete the existing ones. Update exchange rates with the grahpical user interface. The NumericalChameleon is a free platform-independent 100% pure Java application. The software is free of charge and it runs under any operating system with a Java Virtual Machine (e. g. Linux, Solaris or Windows). The NumericalChameleon is released under the terms of the GNU GPL.