cheat sheet elixir-lang.org v1.2 Updated 1/4/2016 Operators === !== and or not (strict) == != && || ! (relaxed) >, >=, <, <= +, -, *, / (float) div, rem (integer) binary1 <> binary2! (concat) list1 ++ list2 ! ! (concat) list1 -- list2 (set diff) a in enum ! (membership) ^term (no reassign) Command line elixir [options] file.ex/file.exs iex iex -S script (e.g., iex -S mix) iex --name local iex --snam