
The road to reality by Roger Penrose also has a treatment of Grassmann algebra in physics context.
I agree the library is likely a reference to the mathematician.
Chapter 1-3 is usual stuff, Chapter 4 is GA
Where is there an introduction that shows you how to use geometric algebra to write better code to perform calculations? Or maybe to do word problems, like when we teach kids algebra or calculus?
Even in a supposedly practical book like Foundations of Game Engine Development, Volume 1, there are code examples throughout the book, except for the chapter about geometric algebra.