== Formula ==: formula_1==Notes====External links==*Fabrice Bellard's PI page*PiHex web site*David Bailey, Peter Borwein, and Simon Plouffe's BBP formula ("On the rapid computation of various polylogarithmic constants") (PDF)
<math>\pi=\,{\sum_{n=0}^\infty* О вычислении formula_1 на сайте Фабриса Беллара* Проект PiHex* David Bailey, Peter Borwein, and Simon Plouffe’s BBP formula ("On the rapid computation of various polylogarithmic constants") (PDF)