I've found it useful as a grounding, and reference, and authoritative definition source, so I refer to:

https://mathcs.clarku.edu/~djoyce/java/elements/elements.htm...

when writing:

https://willadams.gitbook.io/design-into-3d/2d-drawing

You missed the point. Euclid's elements is a beautiful work that is incredibly well structured. It has served an important purpose in math. Elements of programming is like Euclid's elements in this way.