This course presents the formalism and basic elements of the quantum mechanics, and more in particular the most adapted to the quantum treatment of the information. It covers the introductory subjects that they will be required by the distinct subjects. It is focused to students that come from of degrees or *másteres in which it have not seen never Mechanical Quantum: engineering, mathematical, etc. Will begin with a review of mathematical methods and will continue with a study in great depth of the axioms of the Quantum Mechanics and his practical consequences.