(CBS News) Did you think I wasn't going to honor Pi Day today? Hello? Do I not have a trophy proclaiming me eighth in the state in a middle school Numbers Sense competition that I polish regularly?

This is at least my ninth year of writing about Pi Day—here is my post from 2010. Of course it's called Pi Day because the date, 3/14, is similar to the first three digits of pi (3.1415 …). At this ...

Variety of resources for pi day activities. Updated April 2016. Includes links to classic video on history of pi and to excellent Numberphile pi videos. Also find more famous people as well as ...

Somit präsentieren sich dem überraschten Mathefreund die ersten Nachkommastellen der Jubiläumszahl. Die restlichen zehn Millionen Ziffern, die uns auch in zweitausend Jahren leider kein Jahrestag zur ...