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.
������pt���������:QY81.COM���������pt_������pt_������pt_������pt_������pt������pt_������pt_������pt_Y9my9mC9
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
