Drawing with BlueCAD is easy. Due to its intuitive user interface you will be familiar with BlueCAD very quickly. The use of contextual menus and drag&drop techniques enable the inexperienced user to also be immediately productive. If you need some information about a BlueCAD command, a complete on-line contextual help system is always available to give you support. Furthermore, if you would like to add new features to the program expanding its functions, it is possible to create new commands using the C/C++ (Windows) or REXX (OS/2) programming language.