In what year did the United States House of Representatives support the designation of Pi Day?

Name the most recent year in which Pi Day's mm/dd/yy represented π rounded to the first five digits

Which German-born theoretical physicist was born in 1879, on the same day Pi Day is observed today?

Which Greek mathematician managed to derive an accurate approximation of the mathematical constant π?

The number π is a mathematical constant, the ratio of a circle's circumference to its what?

For Pi Day 2010, which American multinational tech company presented a 'Doodle' celebrating the holiday?

Fill in the blank: π is an ____ number, meaning that it cannot be written as the ratio of two integers

During which month of the year is Pi Approximation Day observed?

During which month of the year is Pi Day observed?

Eating or throwing which baked dish is one of the many ways Pi Day has been observed in?

The earliest known official or large-scale celebration of Pi Day was organized in 1988 in which US West Coast city?

Alpha is the first and Omega the last, but which number letter is Pi in the Greek alphabet?

A proposed circle constant equal to 2π is represented by which letter of the Greek alphabet?

Name the first three significant digits of π, in order

Compare scores with friends on all Sporcle quizzes.

Connect with Facebook
Connect with Google
Join for Free

OR

Your Account Isn't Verified! In order to create a playlist on Sporcle, you need to verify the email address you used during registration. Go to your

Sporcle Settings to finish the process.

## Show Comments