What is the definition of Classes Math?

"Classes math" is like a classroom where numbers and equations are the main actors, but instead of having fun parties or debate clubs, it's all about solving problems, proving theorems, and trying to figure out why pi is always 3.14. It's the kind of place where you're either a genius who can calculate the trajectory of a rocket off the moon or a complete moron who thinks they're solving calculus and they're just really bad at addition.

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Here's an unsettling example sentence: "The existential dread of classes math was so overwhelming, I considered joining the 'Advanced Existential Crisis' club."