**4.2 Graphic User Interface tool (GUI)**

The MATLAB graphical user interface development environment, provides a set of tools for creating graphical user interfaces (GUIs). These tools greatly simplify the process of designing and building GUIs. We can use the GUIDE tools to:

Lay out the GUI. Using the GUIDE Layout Editor, the user can lay out a GUI easily by clicking and dragging GUI components such as panels, buttons, text fields, sliders, menus, and so on into the layout area. GUIDE stores the GUI layout in a FIG-file.
