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.
integral 1/2 (1 + EllipticTheta(3, 0, e^(-(π t)/2)))/(sqrt t(t^2+1)) from .001 to infinity
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random