Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
1/pi-2×sqrt(2)/9801 sum_(n=0)^1 ((4 n)! (1103+26390 n))/((n!)^4 396^(4 n))
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random