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Questions tagged [faq]

These questions are the most frequently asked and answered questions on Meta.

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18 votes
1 answer

What is Math SE's policy on posts in languages other than English?

What is Math SE's policy on questions, answers, and comments which are posted in languages other than English? What should I do if I see something written in another language?
Xander Henderson's user avatar
  • 30.1k
13 votes
2 answers

Why image cannot be used for explaining my maths problem?

I joined few days ago and have recently asked many questions. In most of these questions, I use images to make everyone understand it better. I prefer to use both MathJax and images. But most of the ...
Swarnava Chandra Bose's user avatar
34 votes
1 answer

What is a "PSQ"?

The term "PSQ" is frequently used on Mathematics Stack Exchange, both on the main site and meta. For the benefit of users unfamiliar with this term, I thought that it would be a good idea to ...
Joe's user avatar
  • 20.7k
25 votes
2 answers

How to make or suggest good edits

What should I do when editing a post, or suggesting an edit? Math SE is a collaborative platform where almost anyone can contribute. One way in which you can improve the site is by editing posts (...
38 votes
0 answers

Guidelines for context edits and rewrites

Suppose you come across a question that has been closed for lack of context, has high quality answers, and on its way to being deleted. Can you save the post by editing it to include more context? ...
Alexander Gruber's user avatar
  • 27.2k
42 votes
1 answer

How does the voting in the election work?

How does the voting in the elections work? I know that we elect two moderators and I see that I can rank all the candidates. How does this work exactly? What are the implications of ranking more than ...
quid's user avatar
  • 42.3k
36 votes
1 answer

Can we ask about code in math.stackexchange?

I was wondering if it's OK to ask about the implementation of a mathematical function in code? Really do not know if I should ask in StackOverflow or math.stackexchange.
SHM's user avatar
  • 181
13 votes
1 answer

What are the guidelines for reviewing?

What are the guidelines for reviewing? What should one avoid doing when reviewing? How can it happen that one is suspended from reviewing, and what are the implications of this? If I've been ...
69 votes
5 answers

How to search on this site?

When using this site, it is quite important to be able to find posts on this site which might be related to the question I am interested it - both to avoid duplication (i.e., not asking again ...
35 votes
2 answers

Is it Discouraged to Write 'Thanks' at the end of one's Post?

I recently had my post edited by an MSE member. The editor removed the 'Thanks' I had put at the end of my post. This happened sometime earlier too. Is it discouraged to write 'Thanks' in our posts? ...
caffeinemachine's user avatar
28 votes
2 answers

How to answer proof-verification questions?

Sometimes, proof-verification questions ask for verification of a valid and overall solid proof (some examples: What is the $\dim L(X,Y)$?, Prove $(\overline{A \cap B}) \subseteq \overline{A} \cap \...
user3493525's user avatar
60 votes
1 answer

"Contest problem" policy

What is our policy concerning contest questions on the Mathematics Stack Exchange? Why do we have a policy? What is a contest question? How we deal with on-going contest questions? I see a question ...
Willie Wong's user avatar
  • 73.8k
353 votes
14 answers

How to ask a good question.

How to ask a good question. This thread has advice on the following aspects of writing a good question on this site. Each item in this list links to an answer below about that specific aspect of ...
Willie Wong's user avatar
  • 73.8k
52 votes
4 answers

Guidelines for good use of MathJax in question titles

Motivation: Every once in a while, I find myself making edits like this one, where OP (likely due to inexperience in asking questions) has used display math mode ($$...
Lord_Farin's user avatar
  • 17.8k
145 votes
3 answers

History of Math.StackExchange

This thread is used to record significant events in the life of Math.StackExchange. What should be recorded? Creation of the site (proposed, beta tested, graduated). Technological innovations like TeX ...
user avatar
4074 votes
39 answers

MathJax basic tutorial and quick reference

(Deutsch: MathJax: LaTeX Basic Tutorial und Referenz) To see how any formula was written in any question or answer, including this one, right-click on the expression and choose "Show Math As > ...
36 votes
1 answer

Capture the Flag: FAQ on Flagging

What is flagging for moderator attention? How does the flagging process work? What are the different flags, and what are they useful for?
Asaf Karagila's user avatar
  • 396k
33 votes
4 answers

Why should we accept answers?

Recently there was some discussion (in comments to some questions and in chat) about: accepting answers and unwillingness of some users to do so; some users find comments reminding users to improve ...
Martin Sleziak's user avatar
19 votes
2 answers

How do I accept an answer?

I feel like such a jerk, because I haven't accepted anyone's answers to my questions, and I can't figure out how! Could someone please tell me how?
MathTeacher's user avatar
  • 1,559
7 votes
1 answer

Are uploaded images preserved in the SE system?

I just inserted an image-link into someone's answer (uploading the picture from my computer), and I notice that the image now resides at Is ...
r.e.s.'s user avatar
  • 15k
22 votes
2 answers

How to *contact* a specific user? / Is there any sort of PM (private message) facility available?

As far as I know I can see a user profile and the activity in this site. But is it possible to leave some message for a particular user? Say I want to (please read I have to) tell J.M. something ...
Tapu's user avatar
  • 3,496
17 votes
1 answer

When are serial downvotes classified as anomalous? What to do about a sequence of downvotes?

I recently got downvoted on four posts within a span of three minutes. I have read that such patterns are identified and reversed. Does my case qualify? If the same downvotes were exercised over a ...
kuch nahi's user avatar
  • 6,799
71 votes
3 answers

Common acronyms used on main and meta

When I first joined this site, I had to figure out “OP” from context. Finding out what “CW” means was much easier, as it is often spelled out in full. CFV I had to be point-blank told about. It seems ...
Mike Jones's user avatar
  • 4,470
22 votes
1 answer

The "meta-tags".

What are the tags reference-request, soft-question, big-list for? When are they used? When should they not be used?
Willie Wong's user avatar
  • 73.8k
212 votes
1 answer

How to ask a homework question

How to ask a homework question Can I ask a homework question here? How do I ask a homework question on this website? What information should I include in a question about homework? Why don't you ...
Willie Wong's user avatar
  • 73.8k
45 votes
5 answers

Do we have an equation editing HOWTO?

I see other posters writing beautiful integrals and quotients within quotients and matrices and sigma summations and and and... is there a guide for that? Edit: Trying Rahul's answer... $\mathfrak{G}...
JCCyC's user avatar
  • 659
11 votes
1 answer

When does a post become a Community Wiki post?

Does an answer become automatically a Community Wiki when it is revised too much? Are those who have enough reputation allowed to transform an answer into a Community Wiki's answer?
Américo Tavares's user avatar
21 votes
5 answers

What do upvotes and downvotes mean on Meta?

What do upvotes and downvotes mean on Meta? Does it mean "We should not discuss this," or "Good question, the answer is 'no'"?
user avatar
71 votes
13 answers

FAQ for math.stackexchange

Right now, the faq only contains the boilerplate explanations of the stackoverflow engine, reputation levels, etc. This page serves as an index of other important support questions for the community. ...
557 votes
3 answers

Differences between mathoverflow and math.stackexchange.

What are the differences between and Why two communities for Mathematics? Wasn't one enough?
Prasoon Saurav's user avatar