Casteels is the best college math profesor I have had so far. He is new, but he is an excellent teacher. Great clarity in explaining concepts, and he is very approachable if you ever have doubts. Go to lecture, do your homework, study 1-2 hours for exams, and the class is an easy A. I had him for both Math 3A and 3B, aced both classes.

he admits himself that he's not an expert on this class and isn't really good at explaining but makes up for it by giving out free homework scores. you only need a 60% on hw to get full credit, but can sometimes be a hassle. exams are pretty computation heavy. dont expect the exams to be a copy past of the practice, theyre not. anythings fair game

This prof would constantly forget to post important things on canvas which can be really annoying when you're trying really hard to get a good grade in the class. Homework is really hard and it just doesn't seem like he gaf. Somewhat funny but makes everything more complicated than they need to be

He's the one

He is GOAT

The game theory class taken with Karel is really fun, the concepts are explained in a way that's easier to understand, and he's also accessible during office hour (a lot of OH). Though sometimes he would forget to post some important stuff (like homework on gradescope, or lecture notes he promised), but the class is really good.