monad-embed

http://timmaxwell.org/pages/monad-embed/index.html
monad-embed is a toy functional programming language for experimenting with a new way of using monads.

>>8
Nah, because you'd have to include the characters in all the function calls, as well as all the source code to the interpreter.  Otherwise, you could just write an interpreter that supported a keyword "I" that means "invert matrix."