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.
plot exp(-x^2)*cos(2pi*x) from -5 to 5 and y from -1 to 1
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
