Excel's Solver add-in provides a simple way to solve problems involving such formulas. Solver works backwards to find optimal inputs to the objectives and constraints you enter.

George B. Dantzig, the mathematician who invented the field of linear programming, which revolutionized the way government and private enterprise planned, scheduled and generally conducted their ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...