# Questions tagged [mathjax]

Bug reports and suggestions for the MathJax system used to compile basic LaTeX code on the site.

68
questions

**24**

votes

**4**answers

5k views

### On using MathJax to create 'white space'

The purpose of this post is, first, to raise awareness (as this, reasonably, might not be clear) that the way some (and it seems to me the number is growing) use MathJax to create 'white space' (or to ...

**19**

votes

**1**answer

747 views

### The math! It's overflowing!

See what happens if you expand the comments on this question, we get this prime example of a math overflow:
Of course, this is due to a \$ problem, but still, it seems to be a flaw in the CSS that ...

**18**

votes

**2**answers

562 views

### What's the point of having an *MO* chat without LaTeX enabled?

The title says it all. :-)
In response to the automatic disapproval of the question body:
I tried to edit the chat messages after submitting but couldn't figure out how to do that either. (And I ...

**17**

votes

**0**answers

2k views

### Can we replace client-side MathJax with server-side MathJax?

One of the (many) problems with MathJax is that
formulas are rendered using a client-side JavaScript.
Apart from the process itself being ridiculously slow,
this also means that the entire page must ...

**15**

votes

**1**answer

9k views

### KaTeX vs MathJax

According to some benchmarks, it seems that KaTeX renders latex much more faster than Mathjax.
Is there any chance to use KaTeX in place of Mathjax?

**14**

votes

**2**answers

581 views

### Why does mathoverflow constantly compile the latex for my questions and answers?

Whenever I ask or answer questions on mathoverflow, the output is constantly being compiled. While this is sometimes a desirable feature, it turns out that at least for my computer, when I am giving a ...

**14**

votes

**3**answers

998 views

### List of recurrent technical problems involving MathJax

Edit: I have retagged this question 'feature-request' in an attempt to expedite action on these issues. I request that the MathOverflow developers implement an automatic fix of the issues in the ...

**14**

votes

**1**answer

548 views

### Would disallowing displayed equations (“double dollars”) in titles be useful?

If a poster includes in the title some formula in enclosed between $$, like $$x^2+y^2=z^2$$
$$x^2+y^2=z^2$$
the title of the ...

**14**

votes

**1**answer

465 views

### FAQ on typesetting of formulae hard to find

You might have all noticed that https://mathoverflow.net/help/formatting does not mention (La)TeX. I believe this is a very important topic and should not be hidden in "advanced"; actually, a link ...

**14**

votes

**0**answers

277 views

### Please enable the AMScd package by default

We can draw diagrams using the AMScd package, and works quite nicely (see Math.SE for a working proof).
However, on MathOverflow the package seems to be disabled by default, so if a user wants to use ...

**13**

votes

**0**answers

224 views

### Long MathJax in comment breaks linewrapping throughout the comment thread [duplicate]

A picture is worth a thousand words; here is what I am talking about, from the comments on this post.
By posting a very long formula into MathJax, not only have I caused my own comment to run off the ...

**12**

votes

**3**answers

813 views

### Is it OK to abuse Mathjax for emphasis?

The author of this question uses Mathjax (in a way different from its intended usage) to make parts of his question stand out more; for instance, to display some headers in red or to alter the spacing ...

**12**

votes

**1**answer

145 views

### No MathJax on meta

Meta doesn't seem to have MathJax enabled ($x=y$). I think it's best enable it to be consistent with the main site.

**12**

votes

**1**answer

8k views

### Using MathJax for formating (**bold**, *italics*)?

Some users use MathJax to get italicized or bold text. This is sometimes done in titles (where MarkDown is not available), but some users do this also in body of a question, where MarkDown is used. ...

**12**

votes

**3**answers

898 views

### How to turn off the MathJax preview?

The constant compiling of MathJax while composing a post is undesirable for me. How can I stop the MathJax preview?
Is there a way to turn off the MathJax preview?
Where is the button to switch off ...

**12**

votes

**1**answer

267 views

**12**

votes

**1**answer

551 views

### Problem with posts and comments relying on macros defined elsewhere

MathJax supports possibility do define macros. (Using \newcommand, \DeclareMathOperator, \def...

**11**

votes

**2**answers

331 views

### Double backslashes

The “backslash-bug” from the old version is no longer there. You can simply write { and } to get $\{\}$. However, all the old questions and answers using \{ are now broken and look terrible:
$\prod\\{...

**11**

votes

**0**answers

139 views

### MathJax in suggested edits

Pages like
https://mathoverflow.net/review/suggested-edits/1435
display suggested edits for review. The original and edited versions are displayed in parallel columns with the differences highlighted....

**10**

votes

**1**answer

1k views

### Diagrams in MathJax via xypic.js

Apparently, the Stacks project can load a MathJax extension called xypic.js (check the source code) and then has access to ...

**10**

votes

**1**answer

140 views

### Braces don't render in preview

When I type braces in math mode in a post, like $\{1,2,3\}$, they don't show up in the preview. See the following screen shot.
I tried all the different Math ...

**10**

votes

**1**answer

343 views

### Quickly Accessible MathJax Help

I recently had the problem of encoding big brackets in a formula in my question "Functions that Calculate their $L_p$ Norm" and, I could find nothing under "How to Format > MathJax equations", as the ...

**10**

votes

**0**answers

217 views

### Where is the off switch for the concurrent preview now?

I feel like an idiot but I cannot find it. Meanwhile, if the post is long and has a lot of LaTeX formulae in it, and the connection is imperfect, the wysiwyg regime is a non-stop fight. I figured out ...

**9**

votes

**0**answers

276 views

### Mathjax CDN is shutting down effective April 30th 2017

If you haven't seen the official announcement yet, Mathjax is shutting down their CDN effective April 30th 2017. We are currently looking for alternatives for hosting this service including self ...

**8**

votes

**1**answer

416 views

### Math font render problem

I have some issue with the math font for quite some time now. And it only happens on this very site, and not on any other site.
Some of the letters, some of the time, don't render part of the top ...

**8**

votes

**0**answers

142 views

### TeX sometimes displays incorrectly on search pages

When I type a search into the search box, sometimes the list of questions returned contains incorrectly handled TeX (of the sort that once was common all over the place here).
Here is an example: ...

**7**

votes

**2**answers

246 views

### MathJax problems in comments

I'm not sure if this has been reported elsewhere. See for example Fred Kline's comment on quid's answer at https://mathoverflow.net/questions/104608/need-help-defining-placeholders-for-primes
The ...

**7**

votes

**1**answer

368 views

### A set of basic LaTeX macros for MO?

Do you think it would be feasible / possible to put together a basic header file of "standard" LaTeX macros that we might be able to use when typing up MO questions or answers? I mean, basic objects ...

**7**

votes

**3**answers

1k views

### Why is LaTeX not displaying correctly? [duplicate]

In this answer
On a proof of the existence of tubular neighborhoods.
and Neil Strickland's answer here
Is the counit of geometric realization a Serre fibration?
the laTex is not displaying correctly (...

**7**

votes

**1**answer

160 views

### Right-clicking on a mathjax link does wrong thing

Surely I am not the only user of this site with this habit - if I want to have look at the linked content I right-click on the link to open it in a new tab, so when I finish reading I then turn to the ...

**7**

votes

**0**answers

224 views

### Editing an old post to add MathJax

Sometimes I come across an old post which does not use MathJax. Is it OK to edit such a post if the edit improves readability?
This question (and its answers) motivated this post. I know some users ...

**6**

votes

**5**answers

243 views

### How to avoid prepending a blank line or indenting the first line of a post when using \newcommand?

When \newcommand is used, it is somewhat common that it is used in such a way that the (rendered) post starts with a blank line.
While this is minor, it is still ...

**6**

votes

**2**answers

1k views

### Numbering and cross referencing of equations in questions and answers

A basic LaTeX feature which I sometimes miss when asking and answering questions in MO (specially when the question and the particularly the answer are longer) is the possibility of numbering ...

**6**

votes

**2**answers

497 views

### Repeated TeXifying of question titles

A specific user has recently edited a lot of years-old posts in which, as far as I can tell, he is just TeXifying titles. While I assume that this is being done with good intentions, it seems likely ...

**6**

votes

**3**answers

1k views

### Formatting Sandbox

The purpose of this thread is to enable people to check if their formatting works and to play around with their MathJax code.
Quoting from Bill Dubuque's Formatting Sandbox on meta.math.SE:
To use ...

**5**

votes

**1**answer

88 views

### Formatting problem

In my answer to
When is the closed unit ball in a smaller Banach space closed in a larger Banach space?
I wrote the following:
>
Edit: $Y=Z^*$ does not display correctly when it is in the body ...

**5**

votes

**1**answer

645 views

### Examples of MathJax codes of directed labelled graphs to use in a MathOverflow Question

I need some examples of MathJax codes of directed labelled (with loops or multiple edges) graphs to use in MathOverflow Questions so that I could easily change them to my graphs.
Here is my try to ...

**5**

votes

**1**answer

567 views

### Is it possible to use tikzcd code in MO posts?

Question : Is it possible to use tikzcd code in MO posts?
There are information for drawing diagrams using AMScd
...

**5**

votes

**2**answers

508 views

### MathJax accents in Safari 10.1

Tilde accents, such as $\tilde g$ (typed as \tilde g), seem to be displaying bizarrely, with the tilde to the right of, rather than on top of, the accented symbol, ...

**5**

votes

**1**answer

178 views

### Backticks breaking MathJax in comments

The backticks that were used to circumvent MathJax problems on MO 1.0 were removed in questions and answers.
However, it appears that the comments were not affected by this fix and thus display ...

**5**

votes

**0**answers

9k views

### Google Chrome not rendering Latex in browser

I have seen a solution to this problem for Firefox, but assume it is not the same for Chrome. This just started happening recently, and I have no idea how to fix it! Any mathematical typesetting on ...

**5**

votes

**0**answers

105 views

### Screwed up LaTeX when presenting edited posts for approval [duplicate]

In about one of every 4 cases when I am asked to approve an edit, the comparison page that shows the suggested edits suffers from incorrect rendering of LaTeX, which often makes both the original and ...

**5**

votes

**2**answers

445 views

### Adding \LaTeX to old questions and answers

Maybe some context in the beginning. It is my second year in university so I am far away to be good enough to answer questions here, but from time to time I enjoy reading questions and answers. I ...

**4**

votes

**2**answers

265 views

### TeX bug: \mod and \pmod gone

It appears that the MO TeX does not understand macros \mod and \pmod any more; it used not to be the case. As a result for many questions the typesetting is broken.

**4**

votes

**1**answer

191 views

### Latex software used by MO

What is the software used by MO to "render" Latex? Is it an outside solution or a software that has been written specifically? Interesting is that I understand that it doesn't produce images but texts ...

**4**

votes

**1**answer

213 views

### Unbolding sans serif font in math mode

Is there a way to "unbold" the default text font (namely, sans serif) when written in math mode? Consider this example:
Hello World$\qquad\textsf{Hello World}$
The first instance of "Hello World" is ...

**4**

votes

**2**answers

1k views

### How does one type mathematical formulas on this site?

I can see that the posts on this site contain nicely displayed mathematical formulas. How can I get such formulas in my posts? What syntax is used to typeset them?
Note: This is an attempt to make at ...

**4**

votes

**2**answers

272 views

### MathJax \newcommand appears persistent across the whole page

Probably this is known.
MathJax \newcommand appears to be persistent
across the whole page, including the question + all answers.
This potentially might cause ...

**4**

votes

**0**answers

163 views

### Preview failing to parse double backslash in large matrices?

A couple of times now, I've been entering a large matrix here or on math.SE and, in the preview window, all the rows appear on a single line. Once the question posts, it displays correctly. I most ...

**4**

votes

**0**answers

90 views

### Garbled MathJax in a link to a question with MathJax in the title

The following occurs on my activity page:
The question it links to is Is there an explicit expression for Chebyshev polynomials modulo $x^r-1$? and it seems that the MathJax in the end somehow got ...