"This document will tell you where in PI your birthday first occurs, e.g. if you were born Feb 20th 1969 search for: 22069". The idea for the site came from Arthur Bebak (arthur@msm.com).

Excerpts from the Joy of Pi by David Blatner. Site includes links to pi facts, the digits of pi, and pi facts.

Links to many sites related to the number pi: pi and music, pi and beads, pi and pie. See the digits of pi moving across the top of the screen.

History of Pi. Written by J J O´Connor and E F Robertson, St. Andrews University, UK.

Several Pi Day activities created by a seasoned teacher and categorized into grade levels: elementary, middle school, and high school. Site is part of a web page by Mr. Herte who has been a teacher in Glen Cove, NY. since 1983.

Article by Victor Adamchik of Wolfram Research, Inc. and Stan Wagon, Macalester College. Focus is on work by David Bailey of NASA/Ames and Peter Borwein and Simon Plouffe

"These Pi Day songs were written by LaVern Christianson, a math teacher at Windom Area High School, Windom, MN, USA, with some help from his colleagues."

Information about the history of Pi, use of Pi in poetry and Art. Memory test of Pi digits. Different methods of Calculating Pi. Created and maintained by Eve Astrid Andersson,Technology Program Manager at Google.

Respond to questions about pi. See how your score adds up. Site created by Eve Astrid Andersson, visiting professor at Galileo University in Guatemala City, Central America.

Lists by number of digits, countries, amazing performances,