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# Monthly Archives: April 2007

## Happy birthday, Euler!

Today, April 15, 2007, marks the 300th birthday of Leonhard Euler. Not that he’s still alive or anything. Euler (rhymes with spoiler, NOT Bueller!) was the most prolific mathematician of all time, publishing more than 800 papers (!) in his … Continue reading

## The Most Beautiful Equation in the World

This post is a special shout-out to my former students who are now taking calculus (if you don’t know any calculus, just hang tight… there will be more calculus-less math goodness coming your way soon). This post is 100% money-back … Continue reading

Posted in calculus, famous numbers, proof
46 Comments

## Open problems: Twin prime conjecture

Oops, so much for posting once a week! My excuse is that I’ve been hard at work on my book. Well, nothing to do but get right back at it. I promise* I will be better** about posting regularly*** from … Continue reading

Posted in challenges, famous numbers, infinity, primes
3 Comments