An introductory course to performing DFT Calculations. This video should provide the necessary background about the important concepts and approximations behind this method.
References:
Scholl, D. S.; Steckel, J. A. Density Functional Theory: A practical Introduction; John Wiley & Sons, Inc., 2009; pp 9-18.
Atomic System of Units:
https://en.wikipedia.org/wiki/Hartree_atomic_units