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.
Piecewise[ {{S/19.92,S <= .04045}, {((S+0.055)/1.055)^2.4,S>.04045}} ] where S = 0.5
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random