Math Jokes

Joke: Girlfriend: What are you doing?
Mathematician: Just wrestling with these unknowns in bed.
Girlfriend: What?!
Mathematician: Yeah. Just a minute ago I was working out some models.
*Hangs up*
Mathematician: Oh you thought... Hello?

Joke: Why can't asymptotes ever have relationships?

Joke: Why is multiplying by conjugate pairs so dangerous?

Joke: What did the man say when he was cooled to absolute zero?

Joke: What's Bill Cosby's favorite function?