Smart, you can fix that. Stupid can only go one way.
Calculus is easy. For a real thrill, try algebraic topology.
The primary reason we all get so much higher math is in school is to train our forming brains in problem solving. Doesn’t matter if we use none of it again with that kind of benefit!
Too many theorems! If A equals B then C equals A if the prime derivative was equal to the sums of wholes…….only on Tuesday if you had tacos. XD. I am just glad there are folks who understand that stuff.