User:ThreePointOneFour

Where I'm from: Philadelphia, Pennsylvania, U.S.A.

What I do for a living: Working with computers.

My favorite number: Well, pi, of course.

My favorite expression involving pi: $$\int_{0}^{1}\frac{x^4(1-x)^4}{1+x^2}\, dx = \frac{22}{7} - \pi\, \!$$