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 1-exp(-x^2/(2*1.87*10^15)) from 0 to 10^8
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
