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Questions tagged [mathjax]

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

2508
votes
32answers
696k views

MathJax basic tutorial and quick reference

emphasized text (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 "...
129
votes
5answers
11k views

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 ...
107
votes
17answers
5k views

TeX math markup is sorely needed

This site is going to need TeX markup to express mathematical symbols and formulas well.
89
votes
0answers
745 views

An attempt to add real-time previewing for comments

Screenshot About When writing a comment with a lot of formatting, especially one containing formulas, I often found myself pasting it into the "new answer" editor at the bottom of the page to see if ...
76
votes
1answer
2k views

Changing $dx$ to $\operatorname d\!x$

Seems like someone has gone on a bizarre edit spree, deciding to randomly change $dx$ to $\operatorname d\!x$ (with no other edits). This is purely a matter of stylistic choice, and I find it really ...
55
votes
5answers
10k 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) @&...
51
votes
17answers
3k views

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 ...
48
votes
2answers
9k views

A MathJax alternative from Khan Academy

Khan Academy has just published KaTeX, a Math typesetting library. From what I can see on their site this seems to be pretty much a MathJax replacement with much better performance. The performance ...
46
votes
4answers
2k views

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 ...
44
votes
2answers
1k views

When is it ok to use \newcommand and \DeclareMathOperator?

As some of you may know, you can use \newcommand and \DeclareMathOperator to create new TeX macros. For example, ...
44
votes
2answers
11k 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 ...
44
votes
2answers
616 views

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 ...
41
votes
5answers
8k 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?
41
votes
2answers
1k views

MathJax 2.7 beta

Today we are entering the public beta phase of MathJax v2.7 beta. A list of updates is available on github. As always, we will be monitoring this post for any bug reports or missing features. Update ...
40
votes
4answers
960 views

Should MathJaX be pointed out to new users?

On a very regular basis we see new users that are not accustomed with the use of MathJaX on MSE. Sometimes even some users that aren't that new to the site. Most of us, when this happens, kindly bring ...
38
votes
4answers
2k views

Guidelines for good use of $\rm\LaTeX$ 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 (...
38
votes
1answer
2k views

θ vs. $\theta$ - What is preferred? Unicode or MathJax?

In the edit queue, I've seen some improvements of non-MathJax code into MathJax. However, some Unicode characters were untouched and they were actually displaying fine. Are there downsides in using $\...
37
votes
3answers
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 ...
36
votes
2answers
2k views

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{...
36
votes
1answer
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 ...
36
votes
2answers
568 views

Should Math SE support MathJax on its own server?

Just today or yesterday, Math SE's MathJax libraries are no longer loaded from mathjax.org but from cdnjs.cloudflare.com. mathjax.org explains that they are shutting down at the end of this month. But ...
36
votes
2answers
608 views

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 ...
32
votes
4answers
2k views

Bizarre ways of using TeX

These last few days we've suddenly seen huge numbers of instances of things like this: Where it was be appropriate to write $f(x) = a_n x^n + \cdots + a_0$, people instead write f(x) = a$_n$x$^n$ +...+...
32
votes
2answers
566 views

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'...
31
votes
3answers
935 views

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 ...
31
votes
1answer
574 views

Can we get a $\LaTeX$ button?

I would like to propose the addition of a $\LaTeX$ button. It would be very similar to the "code" button that formats the highlighted text into code, the $\LaTeX$ button would surround the highlighted ...
31
votes
0answers
391 views

Bookmarklet plugin to speed up LaTeX macro typing

I've developed a little tool that assists in writing LaTeX macros. It works the same as the OSX press and hold accent picker. You press a key, and then there will appear a pop menu, with symbols ...
30
votes
3answers
609 views

What to do with edits that “just add dollar signs”?

It's no secret that a lot of the people out there don't know enough LaTeX. Maybe they were never exposed to it, or maybe they are just unaware of the fact you can use MathJax on the site. So ...
30
votes
12answers
2k views

MathJax v2.5 beta released

Today we are entering the public beta phase of MathJax v2.5. This release focused on improving rendering speed and MathML support. The 2.5 release improves the speed of the HTML-CSS output by 30-40% (...
29
votes
1answer
457 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, ...
29
votes
0answers
1k views

MathJax v2.7.2 beta

Update: v2.7.2 has been released, so we're switching over to the non-beta version today. MathJax v2.7.2 has entered the public beta phase. We're setting it up here to kick the tires and help out with ...
26
votes
39answers
3k 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 ...
26
votes
1answer
21k 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.
26
votes
2answers
802 views

How to deal with users that just won't use MathJax?

I recently stumbled upon DmRo912's most recent question and found that there was no MathJax where there probably should've been, and so I edited appropriately. But I then noticed that this was not a ...
26
votes
1answer
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 ...
26
votes
2answers
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 ...
26
votes
1answer
656 views

MathJax editing updates beta

There have been a lot of complaints and bug reports about the state of the $ MathJax $ editing experience all around SE lately. We've heard you, and with a lot of help from the kind folks from $ ...
25
votes
2answers
617 views

Commas inside or outside dollars in MathJax?

There are some things which work slightly different in MathJax+html than in standard TeX/LaTeX. One of the things is that comma or full stop after MathJax might sometimes get on new line - as pointed ...
24
votes
3answers
3k views

What is the relation between Latex and MathJax?

What is the relation between Latex and MathJax ? I find this reference very useful for writing questions on mathematics site and I also came across this site for Latex symbols which seems very similar ...
24
votes
2answers
248 views

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 ...
23
votes
3answers
784 views

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 ...
23
votes
4answers
521 views

What is the incentive to use MathJax

I've been wondering about MathJax and the site's policy towards it recently. I am talking about questions which are otherwise good and up to site standards, but are formatted either without MathJax or ...
23
votes
1answer
4k views

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 ...
23
votes
0answers
345 views

MathJax editing preview improvements userscript

There have been a number of issues recently with how MathJax interacts with the editing preview code: MathJax preview bug MathJax not rendering in previews Problems with losing MathJax formatting ...
23
votes
0answers
612 views

MathJax not rendering in previews

As of today, when I type an answer, things in MathJax don't get rendered in the preview. What's going on?
22
votes
1answer
199 views

MathJax doesn't display in the new profile page

This seems suboptimal: I'm running Mac OS 10.10.3. This happens for me in Safari (8.0.5), Firefox (38.0) and Chrome (41.0.2272.118), although in Chrome I do get a brief flash of equations during ...
21
votes
3answers
2k views

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 ...
21
votes
2answers
812 views

Is there a way such that I can put text in $$ without changing the font?

Sometimes I need to cancel \cancel{} or \enclose{horizontalstrike}{} or change color \color{}{} using methods introduced in this ...
21
votes
1answer
495 views

Should I fix my 175 posts that use \newcommand without \begingroup?

A little over 4 years go I discovered that MathJax supports the $\LaTeX$ command \newcommand, and started to use it in my own answers and questions: this makes ...
21
votes
1answer
326 views

Feature request: LaTeX preview

I would like to be able to preview my LaTeX when typing my answers and questions!