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.
오피타임♢ 【optime˛iCu】 오피타임트위터 오피타임찾기♮오피타임바로가기 오피타임접속 오피타임새주소
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random