Ya can't make it up: House praises pi By: David Rogers March 12, 2009 05:02 PM EST With the world swirling about it, the House took a moment Thursday to honor pi, the Greek letter symbolizing that great constant in mathematics representing the ratio of the circumference of a circle to its diameter. An irrational number that has been calculated to more than 1 trillion digits, pi is a concept not totally foreign to today’s Washington. But in this case, the goal was to promote efforts by the National Science Foundation to improve math education in the United States,...