Pi at Multiple Dimension - Online Php program that lets you verify that pi is same in 2d 3d and 4d. The Hfloat Page - Algorithms and software for calculating pi and e. SourceForge.net: Project Filelist - List of downloadable source code of open source programs to compute Pi. efg's Computer Lab: Buffon's Needles Lab Report - A project describing how to estimate the value of pi using Buffon's Needles. Includes math description and complete Delphi source code. Armpi 4 for the ARM processors - Armpi 4 is a program that calculates pi in decimal for the ARM processors (in particular for the Acorn Risc PC). Austin's Wasted Cycles - Austin's Wasted Cycles is a CGI which computers either pi or factorials over the web. Archimedes And The Computation Of Pi - Java applets illustrating Archimedes' construction graphically and interactively.