


All the formulas of Pi Reference of the OnLine Encyclopedia of Integer Sequences for Pi : A000796 Here is the most beautiful handbook of Pi formulas... Yes, believe me ! In the three following pages, you will find all the fomulas that propagated the legend of Pi. They're grouped by chronologic period or inspiration.
Image : extract from the Ramanujan's notebooks Go to the page about mathematicians or follow the links provided in the above pages to find the authors and the proofs of these formulas 