Originally Posted by Ania
Originally Posted by Austin
Most math textbooks outside of upper division college today have a very high noise/signal ratio

OH, I so agree. That is why they are so BIG. No wonder even teachers get lost in the material needed to be covered.

I like the math texts from the 1920s-1940s. I have a great used calculus text from that period that was used at MIT by a deceased engineer. It all his notes in the margins.