03-14-2023 09:43 AM - edited 04-14-2023 03:23 PM
Today is Pi Day, which is not to be confused with Pie Day, although that one does sound delicious.
If you're unfamiliar with it (which I am doubting is the case with anyone in our community), Pi is the constant used to calculate the area of a circle, as in pi times the radius squared, but it appears all over other parts of mathematics. Pi is also irrational. The decimal expansion never ends and never repeats, so any number of decimal places we write out is an approximation. But each decimal digit we know makes any computation involving pi more precise.
Every year on March 14, the world celebrates Pi Day to recognize the mathematical constant. It defines as the ratio of a circle's circumference to its diameter and the value for Pi is 3.14. It is fair to note, though, that the day looks like 3.14 for those that write dates in the month-then-day format, but that is rarely used outside of the Americas. To make it a little more fun, July 22 is also considered Pi Day by many but is also referred to as Pi Approximation Day due to the date being 22/7, which is an approximation of pi. To be fair, one could say that both March 14 and July 22 are Pi Approximation Days. Either way, it feels like a good reason to celebrate Pi Day twice a year and a good excuse, at least for me, to eat pie.
Want to know some more fun facts about Pi?
While I am quite the equal opportunist when it comes to pies (mmm, pie), my toss-up would be between apple pie and pizza (pizza is a pie, right?!). The real question, though, is what is your favorite kind of pie?
03-14-2023 02:40 PM
And since Pi memes are obviously fun, here's one to enjoy:
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