t is very difficult to determine what are the most popular of modern programming languages. Some languages are very popular for particular kinds of applications (., COBOL is still strong in the corporate data center[citation needed], often on large mainframes, FORTRAN in engineering applications, scripting languages in Web development, and C in embedded applications), while some languages are regularly used to write many different kinds of applications. Also many applications use a mix of several languages in their construction and use. New languages are generally designed around the syntax of a previous language with new functionality added (for example C++.