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Questions tagged [mathjax]

For questions about MathJax, which is used to write mathematics on Stack Exchange sites.

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4065 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 > ...
146 votes
5 answers

Should chat have TeX support?

OK, so chat is now available... but; it has been suggested that for Mathematics we should have TeX support. The current TeX processing has some non-trivial client impact. Before I even attempt trying ...
Marc Gravell's user avatar
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
84 votes
7 answers

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) @>{...
Grigory M's user avatar
  • 17.6k
45 votes
59 answers

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 ...
59 votes
5 answers

The scope of \newcommand is the entire page

LaTeX on this site supports \newcommand and \renewcommand. This is very nice, but I noticed that the scope of these definitions ...
Nate Eldredge's user avatar
22 votes
4 answers

MathJax: better way to prepare a Math.StackExchange question?

So right now, to write up a question for Math.StackExchange, I use Firefox to come here, say I'm going to ask a question, and start typing in the box (like I am now). The only way I have to test ...
MikeC's user avatar
  • 1,483
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
40 votes
2 answers

Minimum suggested edit length

I just edited a question which was missing a couple of {} in its LaTeX markup. The effect was to make it hard to work out what was going on for people (such as, I ...
Peter Taylor's user avatar
  • 13.5k
19 votes
4 answers

How to copy mixture of text and latex formulas in a comment?

Okay, I might sound lazy. When trying to copy mixture of text and latex formulas in an answer, it is always easy. I can simply click "edit" and copy the source. But when trying to do the same in a ...
Tim's user avatar
  • 47.7k
13 votes
1 answer

How do I change Math Renderer for MathJax?

In various posts on meta I have read that various math renderers can be used for MathJax, such as HTML-CSS, SVG, etc. See, for example, What is the difference between the 3 math renderers? How can I ...
Martin Sleziak's user avatar
34 votes
2 answers

Feature request - but it woudn't be a feature, it'd be a blessing - editing panel and preview side-by-side - fighting lag on large answers!

I've only done a few questions here but already it's grinding on me. Why can't we have the writing-answer panel and the preview panel side by side, rather than below, this means for big answers I can'...
Alec Teal's user avatar
  • 5,525
21 votes
3 answers

Short and helpful advice on using MathJax on the site ...

The point of this question is to give people a chance to draft their best MathJax tips for new users. Perhaps this question will stand alone as one of the places to go. Perhaps the material in the ...
Mark Bennet's user avatar
7 votes
1 answer

Comments layout break if Math expression is too long

Checkout the comment section of the accepted answer in How to find the center of an ellipse?. Notice that the second comment has a maths expression which is too long and it is not wrapped, making it ...
AppleGrew's user avatar
  • 257
28 votes
3 answers

How do I insert a table when asking a question?

I'm having a hard time to insert a table here when I'm asking a question. Any help would be appreciated. Also, is there any, not too expensive, math programs that allow me to enter math terms and ...
Tom Martinez's user avatar
17 votes
1 answer

Too long LaTex formulae not shown in comments?

If you try to show this formula in comments, it fails. $$M:\left[\begin{array}{cc}x&y\end{array}\right]\mapsto\left[\begin{array}{ccc}x&y&1\end{array}\right]M=\left[\begin{array}{ccc}u&...
hhh's user avatar
  • 5,517
6 votes
1 answer

Would HTML/Unicode formatting cause troubles?

Although, as of now, this comment collected 17 upvotes, I still hope that the thought was expressed not precisely enough. (Mis)typesetting like      b^2 - a^2 = (b+a)x(b-a) can induce vomit, many ...
Incnis Mrsi's user avatar
  • 1,470
6 votes
2 answers

Specific Latex commands for user's account

I think it would very useful to permit every user to add to their profile a list of Latex command, so that they are readily at disposal. For instance, in all of my .tex files I add in the preamble <...
Abramo's user avatar
  • 6,957
12 votes
1 answer

Should I edit a question everytime I see an image in it?

I often encounter questions (or even answers!) which contains text-&-latex in an image. Now, should I edit them even if they are 2 years old, already have an answer, just to remove the picture ...
user avatar
4 votes
2 answers

Spurious space within number

In this comment, the penultimate number in the list, $59930$, is displayed (in Firefox $11.0$) with a spurious space between the two $9$s. I made sure I hadn't inadvertently pasted any invisible ...
joriki's user avatar
  • 239k
-29 votes
2 answers

Three strike rule to using MathJax

I believe one problem with math.stackexchange is the lack of discipline by newer users when it comes to using MathJax. Let me elaborate. Much too often, one can see a question posted by a user that ...
5xum's user avatar
  • 124k
31 votes
2 answers

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 ...
t.b.'s user avatar
  • 78.5k
25 votes
1 answer

What tools can be used to extract MathJax/LaTeX from scanned input?

Some users post question (and sometimes also answers) which contain text and formulas as images. Often some other users help with retyping the questions into properly formatted text and MathJax ...
Martin Sleziak's user avatar
24 votes
1 answer

where is the latex reference please [duplicate]

hi, There is a nice pretty markdown ref but no simple quick latex reference. I looked around in the faq and on meta. I also googled for some latex reference and some of it looks slightly different ...
gideon's user avatar
  • 403
13 votes
1 answer

Save the answer in TEX?

Lot of answers here are excellent but there is no way to save it in LaTeX format. Even if we can put them in favorites or print them or save as pdf . What about create a way to save answers in tex? ...
athos's user avatar
  • 5,355
39 votes
2 answers

On the use of \color in equations

I recently see more and more people utilize the \color function to make equations easier to understand, e.g.: $$\frac{3\color{blue}{x}}{4}\times\frac{42}{\color{...
Asaf Karagila's user avatar
  • 396k
33 votes
0 answers

Latex preview on question title?

Almost every single time I type a question I end up having to go back and edit the title due to no latex preview. Obviously you can write the title in the body first to check it but it's very easy to ...
sonicboom's user avatar
  • 9,989
32 votes
3 answers

Title and $\LaTeX$

This is not a question. Just a request. This Issue has been discussed previously and I think this can be implemented technically as well. Writing title all in latex disables the options like "Open ...
user avatar
26 votes
2 answers

Feature Request: Better full-text search capabilities within Tex markup.

The site has pretty good latex support (thanks for that!), which works pretty well when writing and viewing answers. What is lacking is the ability to search previous answers for mathematical ...
Aryabhata's user avatar
  • 82.5k
13 votes
1 answer

Using block (displayed) equations in question titles

I tried to submit a question to math.SE, and received the following message: Why are block equations not allowed in question titles on Mathematics Stack Exchange? (To be honest, I don't even think I ...
11 votes
4 answers

How to view LaTeX source of equations?

How do you view the source of a question, to see how the LaTeX was specified as markup?
Jason S's user avatar
  • 3,139
10 votes
1 answer

Allow TeXification in <code> tags.

Some special characters, e.g. *, _ and \ have special meaning in Markdown syntax, but these ...
kennytm's user avatar
  • 7,555
8 votes
1 answer

MathJax not displayed in comments

In the Android App, the MathJax is not displayed correctly in comments to answers. I assume this also applies to comments the question, but I have not verified that.
Christopher Rucinski's user avatar
7 votes
3 answers

Latex editor suggestion

It takes me lot of time to type problems and answers directly. It would be of great help if anyone can suggest me any good latex editor so as to type answer and problems faster. Thanks in advance!!
Aang's user avatar
  • 14.7k
30 votes
3 answers

Using MathJax/TeX in the titles of questions - yes or no?

It have been discussed recently (see, for example, the comments starting here) whether Mathjax (TeX) formulas should be used in the titles at all. The reasons given for not using them were, for ...
Martin Sleziak's user avatar
29 votes
1 answer

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 ...
Slugger's user avatar
  • 5,631
20 votes
0 answers

Search queries involving symbols and/or $\TeX{}$

Currently some (most?) fairly crucial symbols such as = and ^ are truncated in search queries, making it pretty tough to find ...
Clive Newstead's user avatar
15 votes
1 answer

How to put math equations in a "spoiler" block?

I wanted to do something like >! \begin{align} >! x &= 42 >! \end{align} (Unfortunately even this code block is badly formated! Why is it ...
Petr's user avatar
  • 2,307
13 votes
0 answers

MathJax preview broken when equations contain `\label`s

One can use \tag, \label, \ref and \eqref the usual way ...
Tobias Kienzler's user avatar
12 votes
1 answer

"Big" TeX won't get hidden by `!>`?

I just posted an answer here but I am finding it impossible for >! to work with the \begin{align} environment. How can this ...
Pedro's user avatar
  • 123k
11 votes
0 answers

Hot network questions incorrectly use MathJax [duplicate]

This is the converse of I noticed that when on Math.SE, MathJax can screw up the ...
Nate Eldredge's user avatar
8 votes
2 answers

MathJax WYSIWYG Editor

I originally enquired about this at but misconstrued Bakoma-TeX as a Mathjax editor. Please advise if anyone objects to this question. Barring Bakoma-TeX, are ...
user avatar
8 votes
1 answer


$\newcommand{\ord}{\operatorname{ord}}$ I keep seeing things like this: $$ ord_a p $$ etc. I just went through a posting and changed a lot of instances of "ord" to "\ord" after prefacing it with ...
Michael Hardy's user avatar
4 votes
1 answer

LaTeX in tag wikis

LaTeX renders fine when you go to the tag-info page, for example, abelian-groups. However, when you try to add the abelian-groups tag to your post it doesn't render in the pop-up. This is messy. Is ...
user1729's user avatar
  • 31.3k
3 votes
3 answers

Matrices not rendered correctly

See e.g. here. I tried both \begin{pmatrix}... and \begin{array}{cc}.... edit Reading the answers, the problem turns out to be ...
Tobias Kienzler's user avatar
2 votes
1 answer

No Latex Rendering at all

I can't get any of the tex on any question anywhere to render at all. I'm on windows7 and I've tried FireFox 15, IE9, Chrome, etc. all appear the same: just the original markup is displayed. I've ...
user17753's user avatar
  • 414
-3 votes
2 answers

$\rm\LaTeX$ shortcuts

Do we want to add shortcuts for common $\rm\LaTeX$ commands? Examples: \ra, \la, \Ra etc. ...
Keba's user avatar
  • 2,530
53 votes
3 answers

Why is there no support for MathJax in chat?

The question Should chat have TeX support was first asked 3½ years ago, and it has been asked at intervals since then. I am not asking that question. I know that chat should have TeX support and ...
MJD's user avatar
  • 65.7k
52 votes
2 answers

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 ...
Maesumi's user avatar
  • 3,702
50 votes
17 answers

MathJax 2.6 beta

Today we are entering the public beta phase of MathJax v2.6 beta. We are asking you to try out the new output. Be aware, this one will offer a new set of fonts. I will allow Peter Krautzberger to ...
Geoff Dalgas's user avatar

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