As if math wasn't confusing enough, we have Pi to contend with. An irrational number that has no end. It sounds like an easy enough calculation in that it's the ratio of a circle's circumference to ...

Math enthusiasts celebrate March 14 as Pi Day. The observance originated in the late 1980s in California, where physicists first served circular fruit pies to the public on the 14th day of the third ...

Add Yahoo as a preferred source to see more of our stories on Google. As if math wasn't confusing enough, we have Pi to contend with. An irrational number that has no end. It sounds like an easy ...

I have a nearly pi-like (i.e., endless) supply of Pi Day memes. I'll control myself and only post one.