nostr:npub17dye8wm0l9w9qdsmvxw078ednfzaa9sw7xngsgwetvj8slv98mesn6yf4p nostr:npub1dphugmh2e88uc7ntlfsjjxeqstv8qlz4c30zuqe0zwwwqx2xg7mqhut7jj Calculus is the first class that requires you do anything that actually looks like what mathematicians do. It's the filter between "brainlet" and "can think."