Links to algorithms and programs
Beautiful JAVA applet
the monte carlo method
the construction of the binary expansion of arctan(1/2)/Pi using a ruler and compass
Stu's Personal Pi Page
A page that lists some fast Pi calculation programs.
Carey Bloodworth wrote the program that was the first one to compute 1g (one billion, 2^30) decimal digits of pi on a desktop computer.
Calculation Programs based on FFT and AGM by Takuya Okura
pi programs for the Macintosh
fun with pi
Methods to calculate pi to a many decimals.