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: $\int _{0}^{1}{\frac {x^{4}(1-x)^{4}}{1+x^{2}}}\,dx={\frac {22}{7}}-\pi \,\!$