Today We Celebrate Pi Day with Mathematicians Everywhere!

William Jones, Pi, Pi Day, MathematicsDo you remember learning about Pi in school and wondered how an equation measuring the circumference of a circle could be calculated to over one trillion digits beyond its decimal point? Of course, you remember! To all of our math enthusiasts, we join you in celebrating Pi Day. Around the world Pi Day is celebrated on March 14th (3/14). Pi (Greek letter “π”) is the ratio of a circle’s circumference to its diameter which is approximately 3.14. The first calculation of Pi was done by Archimedes of Syracuse (287–212 BC), who was one of the greatest mathematicians of the ancient world. Archimedes approximated the area of a circle, by using the Pythagorean Theorem to find the areas of two regular polygons:

Here’s an interesting tidbit: During Pi Day in 2015, the day will reflect five digits of π (3.1415) as 3/14/15 in month/day/year date format. There will also be a Pi Second accurate to 10 digits (3.141592654) at 9:26:54 on Pi Day.

Mathematicians began using the Greek letter π in the 1700s. In 1706, William Jones introduced the use of the pi symbol that was popularized by Leonhard Euler in 1737. French mathematician, Georges Buffon devised a way to calculate pi based on probability during the 18th century.

Learn more about the never-ending number of Pi and visit Have fun today with creative ways to celebrate the mathematics of Pi. Write an article, create a poem, short story or comic, and try baking something fun, embellished with the Pi sign (π).

Happy Pi Day!


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