Exactly. Most moth is not useful at all, even for senior software engineers. I've researched this topic a lot. I'd say the useful math peaks at grade 9/10. You

Exactly. Most moth is not useful at all, even for senior software engineers. I've researched this topic a lot. I'd say the useful math peaks at grade 9/10. You know: Algebra, Geometry, Trig, Graphs. Obviously, for a very small fraction of the population, higher math is useful.