The solution he came up with is to use the Python interpreter as a binary math aide. We knew that you could use Python to convert between decimal, hexadecimal, and binary.

Interpreting math expressions is one of those things that seems simple until you get into it. The first problem is correctly lexing the input — a term that means splitting into tokens.

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 ...