Math Jokes

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

Joke: Do you believe in one God?
Mathematician: Yes, up to isomorphism!

Joke: An onion field is a commutative onion ring in which every nonzero onion has an inverse.

Joke: Teacher: The sky is the limit for all of you.

Student: I don't have a real limit, my potential is exponential.

Joke: How many topologists does it take to screw in a light bulb?