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.
dp/dt=p/20*(1-p/4000), p(0)=1000, t=10
dp/dt=p/20*(1-p/4000), p(0)=1000, t=10
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random