(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?

Mathematician James Grime of the YouTube channel Numberphile has determined that 39 digits of pi—3.14159265358979323846264338327950288420—would suffice to ...

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 ...