Mark Burbidge 22 July 2010 Fun Stuff Happy Pi Approximation Day Mark Burbidge 22 July 2010 Fun Stuff In which I approximate pi.

Mark Burbidge 14 March 2010 Fun Stuff Happy Pi Day! Mark Burbidge 14 March 2010 Fun Stuff In which I point out pi day

Mark Burbidge 14 March 2009 General Interest, Maths Happy Pi Day Mark Burbidge 14 March 2009 General Interest, Maths Happy Pi Day!