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.
2.5 = 5 * (1 - e^-(0.000310/(100000*c) ) )
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
