In My opinion The 5 Languages would be 1. Mind Bender (Common Lisp or Haskell) 2. Social/Internet (Java Script) (Browser/Node.js) 3. Numerical analysis (

In My opinion The 5 Languages would be 1. Mind Bender (Common Lisp or Haskell) 2. Social/Internet (Java Script) (Browser/Node.js) 3. Numerical analysis (Mathematica or Matlab or R or Excel) 4. Inside the Engine (C/Linux) 5. Money Machine (I want big salary) ( C++ )