For an online sandbox, you can use the Lord of the REPLs from Google: http://lotrepls.appspot.com/ http://lotrepls.appspot.com/. You can evaluate expressions

For an online sandbox, you can use the Lord of the REPLs from Google: http://lotrepls.appspot.com/ http://lotrepls.appspot.com/. You can evaluate expressions (= program) in 2 Lisp dialects, Scheme and Clojure, directly in your browser! (You can also use other non-Lisp languages, notably Ruby).