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.
128*(x*log2(1/x)+(1-x)*log2(1/(1-x))), x=0.50001
128*(x*log2(1/x)+(1-x)*log2(1/(1-x))), x=0.50001
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random