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General discussion for http://unix.stackexchange.com. If you have a question, see http://unix.stackexchange.com/questions/ask
about [this answer](https://mathematica.stackexchange.com/a/223418/5467)
CrossValidated's general room for gossip, grumbles, and idle chat. All are welcome. Please ask substantive questions on the main site.
For any questions/help/experiments with MathJax. Bookmarklet: http://www.math.ucla.edu/~robjohn/math/mathjax.html
General discussion for http://space.stackexchange.com/. Check our scheduled chat events at http://chat.stackexchange.com/rooms/info/9682/the-pod-bay?tab=schedule
A place to chat about the Bitcoin Stackexchange, cryptocurrencies in general, and anything else that might be up.
To support faculty suddenly floating online cousework
General discussion for http://japanese.stackexchange.com
The roller supports: d4, d6, d8, d10, d12, d20. You can roll up to four sets of XdY using one of those dice, where X is up to 9. X defaults to 1, Y defaults to 6. / Roll 9d4 for caltrops!
For any discussion concerning linear, abstract or even elementary algebra
A chatroom for rasikas of Indian classical music
Chat-room for Math Meta stuff (for moderator-related stuff go to https://chat.stackexchange.com/rooms/20352/math-mods-office instead)
A place to talk while we wait for our renders to finish. Site stats are at https://bit.ly/2lRw91F, more detailed stats at https://goo.gl/iw8l5x. Go download the latest stable release of Blender: http://www.blender.org/download and you can get the latest official builds at https://builder.blender.org.
“The secret impresses no one. The trick you use it for is everything.”