The other side of the firewall

Try Haskell! An interactive tutorial in your browser Type Haskell expressions in here. > help > 5+7 => 12 > Your first Haskell expression Well done, you typed it perfect! You got back the number 12. Just what we wanted. Let’s try something completely different. Type in your name like this: “chris” Tip: You’re at step 2, type step2 to return to this step. Lesson: 1 Evaluation service and Try Haskell by Chris Done, concept and interface blatantly copied from _why’s Try Ruby!, Haskell evaluator powered by a patched version of Gwern Branwen’s mueval, console library proudly written in JQuery. [From Try Haskell! An interactive tutorial in your browser]