An Infinitely Large Napkin

The recent v1.5 is a new update which revises many of the earlier chapters as well as adding new content in real analysis, measure theory, and algebraic geometry. The Napkin project is a personal exposition project of mine aimed at making higher math accessible to high school students. The philosophy is stated in the preamble:

I’ll be eating a quick lunch with some friends of mine who are still in high school.

Source: web.evanchen.cc