The blue window above is a Ruby prompt. Type a line of Ruby code, hit Enter and watch it run! For example, try typing some math. Like: 2 + 6 See http://tryr

The blue window above is a Ruby prompt. Type a line of Ruby code, hit Enter and watch it run! For example, try typing some math. Like: 2 + 6 See http://tryruby.org/ http://tryruby.org/ before talking further, please.