DC3 is a complete but limited VB like compiler/interpreter that can be used for learning how to create a complete and fully functional compiler. It comes with its complete source code in Visual Basic 6.It compiles simple VB like programs and creates a byte code executed by a Virtual Machine, like Java and .NET languages.Features: • only simple VB types like string, integer (hexadecimal, octal), float, boolean • global and local variables • functions and subs • operators like +,-,*,/,\,imp,eqv,xor,or,and,not,>=,,