Happy Pi Day

Pi Day Pie by Jo Harrington

Photo by Jo Harrington | @jojoromancer on Instagram

March 14 is a celebration of pi. Not pie 🙂 Although many make and enjoy pie to celebrate the number pi. Yum.

Here’s some fun tidbits from CNN:

• Pi is the ratio of the circumference of a circle to its diameter. It’s not equal to the ratio of any two whole numbers, so an approximation – 22/7 – is used in many calculations.

• Pi is essential in architecture and construction and was used frequently by early astronomers.

• Pi has been known for about 4,000 years, but it started to be called by the Greek letter only in the 1700s.

• There are no occurrences of the sequence 123456 in the first million digits of pi.

• The true “randomness” of pi’s digits – 3.14 and so on – has never been proven.

• Pi Day started 28 years ago at San Francisco’s Exploratorium. Physicist Larry Shaw, who worked in the electronics group at the museum, started celebrating pi on March 14, 1988, primarily with museum staffers. The tradition has grown to embrace math enthusiasts from all walks of life. For more about Pi Day, visit www.piday.org.

• To 31 decimal places, the celebrated irrational number that never ends is 3.1415926535897932384626433832795. If you want to appreciate what it looks like to 10 thousand digits, click here.

• March 14 also happens to be Albert Einstein’s birthday.

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