Party Ideas For Math Nerds?
rbf writes "A girl I like at my university, a graduate student in mathematics, will be having a birthday next month. She had thought of throwing a nerd-themed party — show up with tape on your glasses, pants hiked up, etc. However, she decided against it because most of her friends are math nerds and wouldn't even have to dress up! So my question for the community is: What fun party ideas would appeal to a group of mostly math-major nerds?"
Or, even:
What's purple and commutes?
An abelian grape.