AutoCAD(Autodesk Computer Aided Design) is a computer-aided design and drafting software application. The software is first released by Autodesk in December in 1982 and become the prevailing software among engineers, designers, architects, town planners and other professionals. The software provides an easy understanding GUI(Graphical User Design), through the interactive menu and commands, one can easily manipulate the powerful software despite lacking of knowledge in coding. ==Properties of AutoCAD==* A complete set of drawing functions* Powerful object editing function* Can perform transformation of many different object formats* Support multible hardware applications* Support a variety of platforms