Figure 1: User interface of the Fractal calculator.
The main window of the user interface is seen in Figure 1. The window contains a command menu from where the user can perform all the basic functions of the program. Below the main menu is located a toolbar which contains the speed buttons of the program. The rest of the window area is reserved for the panels where the fractals are drawn into. There is a detailed description of the buttons and menus below the Figure 1.
The Fractals menu contains commands for opening the dialogs Number of the fractals, Fractal properties and Calculating computers. The Calculation menu contains commands for starting and stopping the calculation. The Measurement menu can be used for opening the Measurement results window.
The speedbutton 
opens the Number of the fractals dialog the speedbutton 
opens the
Fractal properties dialog and the speedbutton 
opens the Calculating computers dialog.
The speedbutton 
starts the calculation and the speedbutton 
stops the calculation.
The measurement window can be opened by pressing the speedbutton 