I haven’t read Caplan’s book, but I can imagine >50% of the math learned in a math course being not used in a technical career outside of research, and furthermore that the heuristics picked up in those courses are not generalisable (e.g. geometry heuristics not applying to differential equations).
Wow—is there a paper to this effect? I would be surprised if it is that high for the technical fields.
I haven’t read Caplan’s book, but I can imagine >50% of the math learned in a math course being not used in a technical career outside of research, and furthermore that the heuristics picked up in those courses are not generalisable (e.g. geometry heuristics not applying to differential equations).