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.
(15.6)^2=(768x)^2+(1366x)^2, x*768, x*1366
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
