4 karma · joined March 8, 2019
I jest, though. While it probably feels the same on paper, your mental health is (probably) much better now, I would assume.
Number theory is also a huge bore
What I think we should instead pay attention to is the rate of re-learning. Something may take significant time and effort to learn the first time, and after say a year or two, one may forget it. But when re-introduced to the concept (when you may actually need it), I think one can re-learn it quite rapidly.
Anecdotally, as an engineer in industry, I use very little of the engineering math. Number sense and sort of general quantitative reasoning are used.
Let's suppose for sake of argument that I actually used engineering math though. Analytic solutions to derivatives and integrals (2 semesters of calculus) are largely useless because of applications like Wolfram Alpha that will solve these problems for you. The small class of ODE/PDE problems that are handled by analytic undergrad math classes will most often be solved using numerical methods such as Runge Kutta. Linear algebra is actually super useful in practice because you can use matrix solvers to solve systems of linear equations -- but a first course in undergraduate linear algebra is often just basic by-hand computations on matrix systems, and don't discuss higher order concepts at more than a shallow level (spans, invertibility, spectral decomposition, canonical forms, etc.)
Hey it's the same 3 example problems that are in every textbook, GeeksforGeeks, Leetcode, etc.