The Math Purity Test (and more)

Mar 20, 2009 by

Every once in a while, you get the feeling that you’ve seen everything there is to see on the Internet in your subject area … and then … you discover a new, untapped pocket of great stuff!

Today’s dissertation break brings you a few quirky pages put up Erich Friedman, from Stetson University.  He’s got a collection of math humor and other math resources, some of which I’ve never seen before:

The Math Purity Test (I think this has got to be a first day of class assignment for any Real Analysis course or a last day of class assignment for a Calc II course)

Periodic Table of Mathematicians (click on an element and get a bio of the nearest spelling matched mathematician)


Mathematical Horoscope (here’s mine)


A Math Romance (I’m quoting this one here)

They integrated from the very point of origin. Her curves were continuous, and even though he was odd, he was a real number. The day their lines first intersected, they became an ordered pair. From then on it was a continuous function. They were both in their prime, so in next to no time they were horizontal and parallel. She was awed by the magnitude of his perpendicular line, and he was amazed by her conical projections. “Bisect my angle!” she postulated each time she reached her local maximum. He taught her the chain rule as she implicitly defined the amplitude of his simple harmonic motion. They underwent multiple rotations of their axes, until at last they reached the vertex, the critical point, their finite limit. After that they slept like logs. Later she found him taking a right-handed limit, that was a problem, because it was an improper form. He meanwhile had realized that she was irrational, not to mention square. She approached her ex, so they diverged.

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