Pie, of course. Before you head out for Spring Break, stop by the UI Libraries on Thursday, March 14 for the celebration. Grab an apple tartlet at:

Art Library	9:15am & 1:45pm
Hardin Library for the Health Sciences	1:59pm until gone
Lichtenberger Engineering Library	1:59pm – 4:00pm
Main Library	1:59pm – 2:59pm
Pomerantz Business Library	10:00am until gone
Sciences Library	10:00am until gone

Think back to your high school geometry class; Pi is the ratio of the circumference of a circle to its diameter. Pi is approximately 3.14159, but has been calculated to over two trillion digits, it goes on infinitely without repeating or becoming a pattern. Science would not exist without Pi.  Mathematics, statistics, engineering, geography, geology, computer science, etc. all rely on Pi.

More information about Pi can be found at Wolfram MathWorld: http://mathworld.wolfram.com/Pi.html