Children

Today was not a particularly good day at work, varying between tedious and seriously upsetting. Teaching my Math History class improved my mood a good bit. On the way home, I stopped at Shop'n'Save to replenish the larder. As I was selecting bread, a child behind me murmured to his mother, "He looks like Sanny Claus!" She tried to hush him, but I just grinned and said, "It's better than being called Wolfman!"

I was smiling for the next while.

Monday Math: The Answer to "Is It Prime?" Is "Where?"

Is 2 a prime? The answer, to a mathematician, is contingent; it depends on what system of numbers you're working with. More under the cut.

( Number Systems, Irreducibles, and Primes )