Pi Day is this Thursday, March 14, 2013. Pi Day is an annual celebration of the mathematical constant (pi) which is the ratio of a circle’s circumference to its diameter, an approximation equal to 3.14. Pi Day is observed on March 14 because of the date’s representation as 3/14 in month/day date format. March 14 also happens to be Albert Einstein’s birthday.
There are many ways to celebrate Pi Day from eating pie to walking in circles with fellow pi fans to hosting an Einstein look-alike contest. In the past, the Massachusetts Institute of Technology has even mailed out its application decision letters to prospective students for delivery on March 14.
Come on out and join fans of pi at Pi Day celebrations all over San Francisco.
The Exploratorium- Home to the first Pi Day, join staff and pi fans at the 25th annual celebration. To honor Pi Day, there will be pi-related activities, slices of pie, a Pi Parade, and a ceremonious installation of the Pi Shrine at the new Exploratorium location at Pier 15. To top off the pi festivities, five synchronized aircraft will skywrite the first 1,000 numbers of pi’s sequence in the sky above the museum. The pi party takes place from noon until 3 p.m. and is free to the public.
Paxti’s Pizza- In honor of Pi Day, Patxi’s Pizza locations all over the Bay Area will be offering their famous lunch special for only $3.14 (a $9.99 value). To take advantage of this delicious deal, stop by any participating Patxi’s location from 11 a.m. until 4 p.m. and prove you are a “fan” of Patxi’s via Facebook, Twitter, or Foursquare. Lunch specials include a slice of Paxti’s Chicago-style stuffed pizza or hand-pulled thin crust pie, a choice of salad, and a non-alcoholic drink.
Mission Pie- Enjoy a scrumptious slice of Mission Pie for only $3.14 and celebrate Pi Day with pie. Choose from delicious flavors like Dutch apple, vegan sliced apple, walnut, banana cream, and pear raspberry.
California Academy of Sciences- Join the California Academy of Science’s weekly Thursday NightLife event in celebrating Pi Day with a night of mathematical merriment, pie tastings and demonstrations, free Whole Foods Whoopie Pies, and festive birthday party for Einstein. The 21+ event starts at 6 p.m. and costs $12 ($10 for Academy members).