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.
{x=20 mod 36, x=23 mod 25}
{x=20 mod 36, x=23 mod 25}
Natural Language
Math Input
Extended Keyboard
