Square Root Day is upon us

photo from magnetbox’s site at flickr.com/creativecommons

Tomorrow might seem like any other Tuesday. But to a small group of math enthusiasts, it’s a day that only comes along once every five — or seven, or nine, or 23 — years. That’s because it’s March 3, 2009 (3/3/09, if you will) — and, as I’m sure most of you are well aware, three is the square of nine. Continue Reading