Often times you need to make a quick calculation but you cannot be bothered to visit the start menu, find the accessories folder then search for the calculator. If you often have that problem, you should think about installing the CalcuTray.
CalcuTray is an easy to use, fully functional calculator that can be embedded into your systems tray for easy access. You can load your calculator from the system tray with just one click.
You can use the CalcuTray application to convert decimals to fractions and vice versa with shortcut keys Ctrl F and Ctrl D respectively. Also use it to find square root, calculate Pi and a host of other functions.
The application can provide you with a full history of your calculations and you can even customize it with skins.