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.
[x*y=0,x^2+y^2=16,y=57-3*(x-140)^2/1000]
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random