I've seen many articles like this, and they're always wonderful to read, as they bring up so many interesting interactions between the world and mathematics- however, I remember back to struggling through calculus as kind of an antithesis of sorts- I understood how calculus worked at a more "artistic" level, the interaction of graphs, shapes, and how they all collected together, however, to be able to actually do the operations required of me involved a long series of rather troublesome bits of mat that still bother me to this day!

It's very similar to how most anyone can catch a ball, but it takes way more to catch the ball on paper.