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.
int sqr(x^2+ y^2 ) dx dy, x=-0.5 to 0.5, y=0 to 1
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random