# Questions tagged [support]

A request for assistance with one of the site's features.

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### 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 it and choose "Show Math As > TeX ...
52k views

### 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 ...
14k views

### Sandbox for drafts of long, complex posts

This sandbox is intended for saving drafts of long, complex posts, especially posts whose composition takes a long time. It serves to localize to one thread the front-page "bumps" caused by edits to ...
2k views

### STOP! Look and Listen.

I was reviewing a bit and ran into a bad answer. Usually I open the question to see it within context (I know this is not the supposed course of action) and so I did. The bad answer I was reviewing ...
14k views

### How to draw a commutative diagram?

Is it possible to draw a (simple) commutative diagram using MathJax? Amscd doesn't seem to work here on math.SE. M(N)WE:  \begin{CD} K(X) @>{ch}>> H(X;\mathbb Q);\\ @VVV @VVV \\ K(Y) @&...
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### Copying my solution, verbatim, is just so not cool

Someone just verbatim copied my solution into his answer: Complete induction: $\sum^n_{i=1}\frac{1}{(2i-1)(2i+1)}=\frac{n}{2n+1}$ (obviously, in retrospect, claiming I did the same from him). Edit ...
10k views

### Why did my reputation suddenly increase by 1500 points?

Yesterday my reputation on Math.SE was around 2450 points. Today I logged in and I saw, unexpectedly, that it is 3913. I have not gained any reputation since yesterday, according to my profile page. ...
3k views

### 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 ...
1k views

### What does the number “people reached” on the profile page mean?

I have just noticed that my activity page claims that I have "reached" 809k people. Since this is clearly ludicrous, I suppose "people" means actual people counted with high multiplicity. That's okay, ...
778 views

### 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 ...
15k views

### How to search for a formula/expression

Suppose I want to search for instances where an expression similar to $x_n^2-x_{n-1}x_{n+1}$ shows up. How would I do that? I suppose the question goes beyond searching MSE. Are there search engines ...
10k views

### 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?
3k views

### “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 ...
2k views

### Mathjax 2.5 alpha

We have deployed the latest Mathjax 2.5 alpha on Math.SE. As with any beta release please post an answer to this question if you find any issues. We will be monitoring this thread closely along with ...
727 views

### How does the voting in the election work?

How does the voting in the elections work? I know that we elect one moderator and I have heard there are three votes to be cast. How does this work exactly? What are the implications of casting more ...
1k views

### Mathjax 2.2 beta

UPDATE: Mathjax 2.2 final has been released. We have deployed the latest Mathjax 2.2 beta on Math.SE. As with any beta release please post an answer to this question if you find any issues. We will ...
984 views

### 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?
5k views

### Formatting Sandbox

Basically the same as Formatting Sandbox in Meta Stack Exchange, but since this and Statistical Analysis are the only two sites (I know) supporting $\TeX$ formatting, I believe we also need one here ...
965 views

### Writing answers works very slow

I don't know if this is a bug. Maybe it's just my operating system (ubuntu 10.10), computer, or browser(Mozilla 3). As of yesterday, I can write answers very hard. I noticed that before, the latex ...
1k views

### Reputation decrease citing “User was removed”

I look at my account reputation changes, and noticed several negative reputation changes, both citing 'User was removed'. Is this behavior documented/explained anywhere. I would appreciate some ...
2k views

### Feature request: user script or option to turn off instant MathJax rendering

In view of the nearly unbearable slowdowns I experience while composing answers (both in Safari 5 and Firefox 5 on OS X 10.6.7) since June 21/22 I would most welcome a possibility ...
480 views

### MathJax CDN (cdn.mathjax.org) will be shutting down

The news that MathJax CDN shutting down on April 30, 2017 was recently brought to my attention. I have updated ChatJax to use the alternate server given in the MathJax post. It seems to work well, ...
381 views

### Reviewing Suggested Edits

As part of the mod tools, there is a tool to review and approve suggested edits. The "review suggested edits" shows something like below which is not of much help to review and approve the edit. It ...
28k views

### Why is [Math Processing Error] all over the place today?

I'm seeing [Math Processing Error] all over this site today. Is there a bug or is this problem unique to me? How do I fix it? Thanks.
2k views

### How to center a figure in the post?

In this post here, the figure appears on the left side. I tried to center the figure but I could not do so. Is there a way to center figures/text in a post?
769 views

### What if the duplicate has a better answer than the original?

I have recently asked a question (The original did not turn up in my search): Show that there are infinitely many powers of two starting with the digit 7 which was marked as a duplicate of: Starting ...
2k views

### Using TikZ on math.stackexchange

The title pretty much says it all: How can I use TikZ when writing my math questions on this site? I have written out my question in LaTeX using the TikZ and it took me quite some time, now I ...
452 views

### What's going on with the UI?

Is there a medium/long-term plan for a total revamp of the SE user interface? I noticed the list of recent badges was removed, and now the top bar is completely changed (access to the meta site link ...
9k views

### MathJax: How to number and reference multiline equations?

I'd like to number multiline equations and reference them, à la MathJax's Align and Gather environments. Can this be accomplished? If so, how?
16k views

### Catalog of limits

WARNING: This post contains hundreds of mathematical formulas. Do not open it on devices, where rendering of MathJax is slow! For more comprehensive catalog see https://mathindex.wordpress.com (it ...
1k views

### How to find questions originating from papers?

What is a reasonable way to find questions which are related to mathematical papers? The motivation to ask this was a recent post mentioning that: However the focus of this site seems to be ...
369 views

### How to disable the helping duck from popping up?

This is a minor thing, but this duck popping up in the bottom-right corner whenever you do anything catches your attention, for nothing, this can get really annoying. Is there any way to disable it? ...
817 views

### Is this an answer only site for people who just started here?

I'm a new user. I don't understand why I can't tell users what is wrong with their work. You can only do that when you have reached reputation=50? I also don't understand anymore what is meant by ...
860 views

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### Are my questions too niche or simply bad? How to improve attention to my questions?

I am a researcher working on computational physics, chemistry and materials science. I have the kind of math background that you would expect from a general physics graduate. Some times a problem ...
327 views

Can something be done on our side to be slightly more selective about what comes up in the inter-stackexchange.com ads we have on the front page? I've just been informed someone has asked whether «"...
1k views

### How can I delete an answer which has been accepted?

I no longer want to help a particular user (picakhu) due to repeated comments that my considered answers are not helpful, changes in questions after I answer, and the user's pattern of not voting ...
598 views

### Are there some tools to follow deletions on this site?

Main question: Are there some (reasonably easy to use) tools to follow deletions on site? In particular, are there some ways to find self-deleted questions? Are there some ways to see deleted content ...
589 views

### Is using blockquote for highlighting problematic?

I want to ask whether using blockquote for the purpose of highlighting some part of a post is discouraged and whether it can cause some problems for users viewing the question? Example: Is using ...
310 views

### Latex preview when initially composing an answer

When one starts writing an answer, it is not possible to turn off the live preview of the answer. This makes it rather painful when composing long, latex-rich answers. The only way around it is to ...
127 views

### Is it possible to view descriptions of old bounties?

When starting a bounty, one is invited to provide a short description of what is asked for. The usefulness of this notice is evident; the task of writing or improving a purposeful answer is ...
251 views

### Preview of a proposed edit?

Is there a way, when reviewing a proposed edit, to preview it exactly as the edited text would appear on the site? I maybe wrong but I think that at Tex/LaTeX Stackexchange you have the option to see ...
655 views

### Is cross-posted forbidden/discouraged on Stack Exchange sites? If so, why?

Math people: I have never posted a question to Mathematics meta before and I hope this is the right thing to do. Yesterday I posted a question to Math Stack Exchange (is there a name for this ...
624 views

### How to ask for help in understanding specific parts of a paper or proof.

When I ask some question, I strive to make it as self-contained as possible. Sometimes though, this turns out to be very hard, since the question is about a specific step in the middle of some proof ...
360 views

### Is there a way to edit without bumping the question?

I'm a kind of person who like to see no flaw in the answers I posted here (I'm sure many of us mathematicians here share the same value as me to a certain extent). For that reason, I usually double ...