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.
Sum[Sum[1/n^(3/2)*1/m^(3/2), {n, 1, Infinity}], {m, 1, Infinity}]
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random