'''F#''' (pronounced F sharp) is a mixed [[functional programming|functional]] and [[Imperative programming|imperative]] [[programming language]] for the [[Microsoft .NET]] initiativeplatform. F# was developed by Don Syme at [[Microsoft]] Research, and ithas a core language that is basedsimilar to that of onthe [[O'Caml programming language|O'Caml]] (itself a member of the [[ML programming language]] family).
F# is a minorresearch project to demonstrate how .NET enables interoperability between different [[Programming paradigm|programming paradigms]]. Specifically F# showcases a set of extensions to .NET's intermediate language IL, called ILX which demonstrate how a strict curried functional language may be compiled efficiently.