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4757 forum posts
Off-Topic Discussion - Cool math fact#3

If you are in a group of 23 (including yourself) randomly chosen people, there's a 6.1% chance that someone has the same birthday as you (assuming nobody is born on Feb 29th). How many people would yo…


CalbernandHowbe
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Off-Topic Discussion - Invertebrates and Potables (I & P) 51#24

Let p be a prime. Prove that if p-1 is a multiple of 4, then there exists an integer n such that n^2 + 1 is a multiple of p. Does this also hold if p-1 is not a multiple of 4?


CalbernandHowbe
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Off-Topic Discussion - What is one invention you believe humanity should immediately stop using?#7

@gollygollygoshgosh said in #6: > Other people's views. > > Please give them up and think for yourself. Wow, you're right. I wholeheartedly agree with you now.


CalbernandHowbe
Off-Topic Discussion - Would you comment on my profile description?#11

I like the elephant. Not such a big fan of the radishes though :(


CalbernandHowbe
Off-Topic Discussion - Happy Liberation Day!#39

Me just wondering why the official USTR page in #21 wrote "Let ε < 0". Maybe they're actually well versed in mathematical analysis, and it's their idea of an April Fools' joke?


CalbernandHowbe
Off-Topic Discussion - Geoguesser (Lite Version)#5

Is the first one Japan Actually no south korea makes more sense


CalbernandHowbe
Off-Topic Discussion - Most pretty/elegant solution to combinatorics problem?#1

Let n be a positive integer. How many subsets of {1,2,...,n} have even size? There are many different methods of solving this problem, so please do post if you think you have a nice solution.


CalbernandHowbe
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