Bailey-Borwein-Plouffe formula

== English == === Etymology === Named after the authors of the article in which it was published: David H. Bailey, Peter Borwein, and Simon Plouffe. === Proper noun === the Bailey-Borwein-Plouffe formula (mathematics) A formula for calculating pi, giving rise to a spigot algorithm for computing the nth base-16 digit without computing the preceding digits. Synonym: BBP formula