F# is a programming language that provides the much sought-after combination of type safety, performance and scripting, with all the advantages of running on a high-quality, well-supported modern runtime system.

F# is developed by Microsoft Research.

http://research.microsoft.com/fsharp/fsharp.aspx
http://en.wikipedia.org/wiki/F_Sharp_programming_language


Sample Code:

 
    (* This is a comment *)
    (* Sample hello world program *)
    printf “Hello World!”