Click&Run is the best way to launch CalcExp. It saves time and disk space for you! And you don't lost any features of CalcExp!!! You don't need to learn how to install software, just click a "Launch" button on our website main page. If you are a Linux/MacOs/Solaris user, you absolutly should try it, because we don't have installer for you till now, You have to wait!

CalcExp is skin changeable!
the GUI (Graphical User Interface) is very beautiful, and it's skin changeable! There are 7 themes created by professional artists, and you may get more without extra charge. the font for displaying result number is big enough for easy to read.
Powerful number formatting

1. Convert result to Hex,Oct,Dec,Bin freely. eg: (Dec)255 -> (Hex)FF.

2. 5 kinds of locales to format numbers fitting your custom: US,UK,France,Germany,Italy.

3. Set fraction digits freely from 5 to 16.

4. Grouping, eg: 1234.56 -> 1,234.56. In Unit Convertor and Currency Convertor, the results are formatted like the calculator do.