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.
UPGRADE TO PRO
APPS
TOUR
z^2 - 1 = x^2 + y^2 and x <= y <= z and x+y+z<=n and x>0 and n >= 100
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random