Eric Idle should now write an entire Math textbook series based on the word Fuck. Really, you could just have them be comedic supplemental material to another textbook. I bet a talented teacher could use such material to really liven up a math class.

https://www.youtube.com/watch?v=jixxYx9fklM

(For those who don't know, writing songs based on Fuck has kind of become one of Eric Idle's things.)