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.
op도배작업マ 【텔ㄹDR8899】♯op상단노출✓op상단노출✶op찌라시광고♪op웹문서✗op문서광고
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random