Tombstone. The tombstone of Ludolph van Ceulen in Leiden, the Netherlands, is engraved with his amazing 35-digit approximation t
The Life of Pi History and Computation Jonathan M. Borwein, FRSC AUSTRALIAN COLLOQUIA June 21-July 17, 2003 www.cecm.sfu.ca/~ jb
Katherine McDonald on Twitter: "The grave marker of Ludolph van Ceulen, inscribed with all the decimals of pi he calculated. #Leiden #histsci http://t.co/91YopaiE1c" / Twitter
THE AMAZING NUMBER Π PETER BORWEIN Abstract. This text accompanies an address given at the celebration to re- place the lost to
![Fermat's Library on Twitter: "Ludolph van Ceulen, using Archimedes' methods, approximated the circle with a regular polygon which had 2⁶² sides. It took 25 years of hand calculations to produce a 35 Fermat's Library on Twitter: "Ludolph van Ceulen, using Archimedes' methods, approximated the circle with a regular polygon which had 2⁶² sides. It took 25 years of hand calculations to produce a 35](https://pbs.twimg.com/media/Dg3CuQlVQAAQH1j.jpg)