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.
서초오피↘dalρσCHA4.nEt↙서초오피⁂달포차☮서초오피 서초오피㉶서초오피
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random