## Can you figure out what this is?

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## Top 5 Math Songs on Youtube

## Prime Numbers

## Happy 09/09/09 day!

## In the glossary of a programming textbook

1. What You Know About Math? 2. I Will Derive! 3. Finite Simple Group (of Order Two) 4. Mathmaticious 5. This Is Why I Graph – Calculus Rap

Several scientists were asked to prove that all odd integers higher than 2 are prime. *Mathematician: 3 is a prime, 5 is a prime, 7 is a prime, and by induction – every odd integer higher than 2 is a prime. *Physicist: 3 is a prime, 5 is a prime, 7 is a prime, 9 …

For those of you who don’t know, it is indeed 09/09/09 day. Woohoo? Ya I know, it’s just another day, but for some reason the general public LOVES symmetry, so let’s give them what they like to hear ðŸ˜‰ First, since it’s not a leap year, September 9, 2009, is the 252nd day of the …

(via Reddit) This was posted by ooglag on Reddit who says it’s from John Zelle’s Python Programming, although it’s pretty common in other text books as well. It also reminds me of google: http://www.google.ca/search?q=recursion