# 21 Maths Jokes You’d Need To Be A Genius To Understand

I’d explain them, but there isn’t enough room in the margin.

## 1. What does the B in Benoît B. Mandelbrot stand for?

hlehnerer

Benoît B. Mandelbrot.

## 2. There are 10 kinds of people in this world.

mrhighsky

Those who know binary, those who don’t, and those that didn’t expect the joke to be in base 3.

## 3. Why do mathematicians confuse Halloween and Christmas?

Rasica

Because Oct 31 = Dec 25.

4.

## 5. What’s purple and commutes?

JannHuizenga

An Abelian grape.

6.

## 7. What’s the integral of 1/cabin with respect to cabin?

Westend61

Person 1: Log cabin.
Person 2. No, a houseboat. You forgot to add the C!

## 8. What’s an anagram of Banach-Tarski?

beresdmit

Banach-Tarski Banach-Tarski.

## 9. An infinite number of mathematicians walk into a bar. The first orders a beer, the second orders half a beer, the third orders a quarter of a beer and so on.

4774344sean

After the seventh order, the bartender pours two beers and says, “you fellas ought to know your limits.”

## 10. A museum visitor was admiring a Tyrannosaurus fossil, and asked a nearby museum employee how old it was.

Mario Modesto / Via en.wikipedia.org

Via Wikipedia: “That skeleton’s sixty-five million and three years, two months and eighteen days old,” the employee replied. “How can you know it that well?” she asked. “Well, when I started working here, I asked a scientist the exact same question, and he said it was sixty-five million years old—and that was three years, two months and eighteen days ago.”

Taken from Proofiness by Charles Seife.

11.

## 12. What do you get if you cross an elephant and a banana?

Wild Africa Nature

MosayMay

|elephant|*|banana|*sin(theta)

## 13. Why did the chicken cross the Möbius strip?

David Benbennick / en.wikipedia.org

To get to the other–er…

michaeljung
15.

AaronChoi

0.999999…

17.

## 18. I was dating this topologist once, but we got into an argument over a coffee mug…

4774344sean / Via reddit.com

It torus apart.

## 19. Why aren’t jokes in base 8 funny?

m-imagephotography

Because 7 10 11.

## 20. What’s the difference between an introverted and extroverted mathematician?

PhoenixNorth

The extrovert looks at your shoes when she talks to you.

## 21. What is non-orientable and lives in the ocean?

Kerstin Meyer

Möbius Dick.

correction

This post has been updated to meet attribution standards.