Learn these interesting facts about pi before Pi Day on March 14 Facts about pi you don’t want to miss How much do you really know about pi? Sure, you’ve heard about it in math class—potentially ...

On March 14, the nerdier side of humanity celebrates Pi Day, a holiday that “commemorates the irrational, transcendent, and never-ending ratio that helps describe circles of all sizes.” Pi is the ...

March 14, 2018, is Pi Day — that’s pi, not pie — and on Wednesday, Google marks the 30th anniversary of the math-inspired holiday with a special Doodle. Pi, denoted by the Greek letter “π”, has been ...

Test yourself on math's most famous constant with this pi quiz. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.