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.
contourplot[ Im [(x+I y) - 1/(x+I y)] , {x, -2,2}, {y, -2,2}]
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
