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[Log[y/a]==a*Exp[a y],{y,-1,3},{a,-3,1}]
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random