Pie day is on March 14th because the mathematical equation Pi is 3.14! To celebrate, check out all this cool FREE stuff around town.
-FREE day at the Exploratorium: They will celebrate their 31st annual Pi Day but embracing numbers with π-themed activities, rituals, antics, and plenty of pie.
-Ask a Scientist: Check out this Pi Day puzzle party in SoMa StrEAT Park at 7pm. You can come solo or with a team of up to 6 people. Bring your own pencils, scratch paper, and basic non-scientific calculators.
-“Taste of Science”: Three Geeky Science Talks: Learn about some cool science stuff at Piano Fight at 144 Taylor Street in San Francisco from 7:00 pm to 9:00 pm. It will cost $3.50 to get in.