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.
floor(sqrt(1-(j 0.125)^2) sqrt(2)/ 0.125)^2 + (4 sum floor((2 sqrt(1-(j 0.125)^2 -( 0.125/2 floor(sqrt(1-(j 0.125)^2) sqrt(2)/0.125) +k 0.125)^2))/0.125 ), where k=1 to 2)
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random