A graphical user interface for displaying actions of an input device on a display is provided. The interface includes a radial menu having an origin disposed at a center thereof and at least a first wedge defining an area extending outwardly from the origin. The first wedge is associated with a variable that is capable of being set to a value between a predetermined minimum value and a predetermined maximum value. A cursor for indicating a current position of the input device on the display is provided in the interface. The cursor is movable within the first wedge to select a current value of the variable based upon the angular position of the cursor with respect to said origin. A radial menu, computer system, and method are also provided.