Bailey–Borwein–Plouffe formula - WikipediaThe Bailey–Borwein–Plouffe formula (BBP formula) is a formula for π. It was discovered in 1995 by Simon Plouffe and is named after the authors of the article in which it was published, David H. Bailey, Peter Borwein, and Plouffe.[1] Before that, it had been published by Plouffe on his own site.[2] The formula is: The BBP formula gives rise to a spigot algorithm for computing the nth base-16 (hexad
