A foreign language is all the more difficult to master when it differs from one's native language in unexpected ways. The following three situations are particularly challenging: The foreign ...

A programming language is a formal set of rules that allow software developers to communicate with a computer. Learn the full ...

Also called a "domain-specific language," a special-purpose language is a programming language designed to solve a finite class of problems. For example, LISP and Prolog were designed for AI.