1. What does the B in Benoît B. Mandelbrot stand for?
2. There are 10 kinds of people in this world.
3. Why do mathematicians confuse Halloween and Christmas?
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5. What's purple and commutes?
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7. What's the integral of 1/cabin with respect to cabin?
8. What's an anagram of 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.
10. A museum visitor was admiring a Tyrannosaurus fossil, and asked a nearby museum employee how old it was.
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12. What do you get if you cross an elephant and a banana?
|elephant|*|banana|*sin(theta)
13. Why did the chicken cross the Möbius strip?
14. Let epsilon be less than zero.
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16. How many mathematicians does it take to screw in a lightbulb?
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18. I was dating this topologist once, but we got into an argument over a coffee mug...
19. Why aren't jokes in base 8 funny?
20. What's the difference between an introverted and extroverted mathematician?
21. What is non-orientable and lives in the ocean?
This post has been updated to meet attribution standards.