Ismeal VC check the julia docs at http://docs.julialang.org/en/latest/ for the rest keep asking in this group someone will surely help you out.
like look at a symbol as a safe string when you do something like sym = :hello you will always know sym is hello you can also use it as an expression like http://docs.julialang.org/en/latest/manual/metaprogramming/#expressions-and-eval
