My friend, Bruce Wertz, often reminds me of the Frank Sinatra song (or movie), “A pocketful of miracles,†but in Bruce’s case it’s “A pocketful of trivia.â€
Yes, after church, during treat time, he’ll hand me a soon-to-be raisin and ask why John Steinbeck would have anything to do with it. Before I attempt an answer, he blurts out, “It’s a Grape of Wrath.â€
Two weeks ago, he wished me “a happy Ides of March . . and happy pie day.†The Ides of March is a no-brainer; we need to beware of the day Brutus and his gang of rabble-rousers assassinated Julius Caesar.
But pie day? Oh! He means pi, as in 3.147. Bruce wasn’t making it up: There is a pi day, observed in several big cities and universities. It’s ideally suited for nerdish mathematicians.
It’s simple. Let’s say you have a perfect circle one inch across. Without cutting it, can you tell how long (circumference) will be? The answer is 3.147 inches.
Now there are clearly many more applications for pi, and even leading mathematicians claim that the fraction (3-1/7) or the decimal (3.147) really doesn’t end. You could spend the day trying to find the final digit. Continue reading