Qalculate! is a multi-purpose cross-platform desktop calculator. It is simple to use but provides power and versatility normally reserved for complicated math packages, as well as useful tools for everyday needs (such as currency conversion and percent calculation). …អានបន្តគណនា
Marble is a virtual globe and world atlas — your swiss army knife for maps that you can use to learn more about the Earth and other planets. …អានបន្តMarble
