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.
2A02:AA12:D57F:A200:4D0A:C871:1489:2199
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random