Projective Geometric Algebra (PGA)

• https://bivector.net
• https://www.youtube.com/@bivector
• https://en.wikipedia.org/wiki/Geometric_algebra#Homogeneous_models
• https://github.com/enkimute/ganja.js
• https://enki.ws/ganja.js/examples/coffeeshop.html#MENlArRp0