An alternative to using NumPy is SymPy, a computer algebra library for Python. SymPy operates on symbols the way a numeric calculator or regular Python program works on numbers.

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 ...

How NumPy speeds array math in Python A big part of NumPy’s speed comes from using machine-native datatypes, instead of Python’s object types.