Right now, the [faq](http://math.stackexchange.com/faq) only contains the boilerplate explanations of the stackoverflow engine, reputation levels, etc.

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What questions belong in the faq?  
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This page serves as an index of other important support questions for the community.  

Please post each faq as a separate answer, and as community wiki so we can collaboratively edit the faq. If you add a new proposed faq, add a link to it in the index. 

Useful references:  
The [MathOverflow faq][1]  
[FAQs][2] about the stackoverflow system

#Index

***Technical help on the user interface***

 - [How do I type math in my question/answer/comment?][3]  
 - [What are all these dollar signs and weird symbols? It's hard to read the questions and answers with those there.][4]  
 - [Are uploaded images preserved in the SE system? Will the link "rot"?][5] 
 - [What do I do if I don't get an answer to my question after several days?][16]  

***Contents and tags***

 - [What tags should I use for my question?][6]
 - [What is the proper way to ask homework questions on math.stackexchange?][12]  
 - [What is the proper way to respond to homework questions on math.stackexchange?][13]
 - [Why was my "What is [X]?" question downvoted or closed?][14]  
 - [How do I respond to 'What is X?' questions?][15]
 - [Must I post in English?][18]
 - [What are the "meta-tags" (soft-question), (homework), (reference-request), and (big-list)?][19]

***Votes and flags***

 - [Why was my question closed?][10]  
 - [Why was my question voted down?][11]
 - [Why was my "What is [X]?" question downvoted or closed?][14]  
 - [What are flags and what happens when I flag?][17]

***Other topics***

 - [What other websites should I visit to get my math questions answered?][7]  
 - [What's the relationship between math.SE and MathOverflow?][9]  
 - [Must I post in English?][18]
 - [A list of common abbreviations used on M.SE and Meta.M.SE][20]


  [1]: http://mathoverflow.net/faq
  [2]: http://meta.stackexchange.com/questions/tagged?tagnames=faq&sort=votes
  [3]: http://meta.math.stackexchange.com/questions/1773/do-we-have-an-equation-editing-howto
  [4]: http://meta.math.stackexchange.com/questions/107/what-should-go-in-the-math-stackexchange-faq/255#255
  [5]: http://meta.math.stackexchange.com/q/3271/1543
  [6]: http://meta.math.stackexchange.com/questions/107/what-should-go-in-the-math-stackexchange-faq/128#128
  [7]: http://meta.math.stackexchange.com/questions/107/what-should-go-in-the-math-stackexchange-faq/108#108
  [9]: http://meta.math.stackexchange.com/a/167/1543
  [10]: http://meta.math.stackexchange.com/questions/107/what-should-go-in-the-math-stackexchange-faq/124#124
  [11]: http://meta.math.stackexchange.com/questions/107/what-should-go-in-the-math-stackexchange-faq/116#116
  [12]: http://meta.math.stackexchange.com/q/1803/1543
  [13]: http://meta.math.stackexchange.com/a/114/1543
  [14]: http://meta.math.stackexchange.com/questions/107/what-should-go-in-the-math-stackexchange-faq/181#181
  [15]: http://meta.math.stackexchange.com/questions/107/what-should-go-in-the-math-stackexchange-faq/180#180
  [16]: http://meta.math.stackexchange.com/questions/107/what-should-go-in-the-math-stackexchange-faq/127#127
  [17]: http://meta.math.stackexchange.com/questions/4328/capture-the-flag-faq-on-flagging
  [18]: http://meta.math.stackexchange.com/a/4384
  [19]: http://meta.math.stackexchange.com/q/2498/1543
  [20]: http://meta.math.stackexchange.com/q/3012/1543