Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I ...

Permitting extensive use of calculators invites a child's mind to stagnate. If we don't require students to do the simple problems that calculators can do, how can we expect them to solve the more ...

Solving tricky maths puzzles is not about memory. These puzzles rely on your proficiency in speed and accuracy in ...

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 ...