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Questions tagged [mathjax]

MathJax is a JavaScript engine for displaying mathematics in general, and (through the mhchem package) chemical formulas and equations in particular on Chemistry Stack Exchange.

-1 votes
1 answer
101 views

Why are compound formulae not rendering properly using \ce tag?

Basically, everywhere I use the \ce tag on chemistry stack exchange, I get wrong formulae. The subscripts are becoming superscripts while the superscripts are becoming subscripts. Is it just me or is ...
ananta's user avatar
  • 2,304
-1 votes
1 answer
50 views

Is a package (e.g., \require {cancel}) still needed for a diagonal strikeout in MathJax?

This post, from six years ago, indicates a diagonal strikeout (e.g., for unit cancellation) can be done by calling the \require {cancel} package: Additions to MathJax/mhchem: Cancel, Broken Arrows; ...
theorist's user avatar
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8 votes
1 answer
71 views

Extra spacing before mhchem super/subscripts

I'm not entirely sure if this is still the correct platform for mhchem issues, but I've noticed a mildly annoying extra space that occurs just before ...
orthocresol's user avatar
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1 vote
0 answers
64 views

problems rendering overbar in square root on Main ChemSE site

On the ChemSE site (Is it better to use a smaller, more accurate measuring cylinder several times or a larger, less accurate one for the same volume?), the following MathJax code renders my square ...
theorist's user avatar
  • 12.2k
2 votes
1 answer
80 views

Problem in rendering with arrow

Screenshots of MathJax text, CH3-CHOH ->[H2SO4][\Delta] CH2=CH2 while editing (lower stuffs are cropped): after editing, on post page (both stuffs are cropped)...
Rahul Verma's user avatar
  • 3,071
2 votes
0 answers
44 views

How to render a square-scheme reaction using MathJax?

I'm try to write a square-scheme reaction using MathJax. Until now I managed this one. ...
grsousajunior's user avatar
6 votes
1 answer
112 views

Nonconforming MathJax example on the Markdown Editing Help page

The Markdown Editing Help page on Chemistry Stack Exchange (https://chemistry.stackexchange.com/editing-help#latex) includes the following short example for the the use of MathJax: ...
user avatar
1 vote
1 answer
54 views

Adding tex symbols to post

This is a two part question: The extent to which tex can be incorporated into a post appears to be outlined here (some links from that question need refreshing btw). Is this the main source of ...
Buck Thorn's user avatar
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1 vote
1 answer
260 views

Two one-sided arrows from mhchem MathJax extension do not render properly upon conversion to pdf

I am using pdfkit-pythonbased on wkhtmltopdfto convert into pdf a text that contains MathJax ...
mannaia's user avatar
  • 1,756
3 votes
1 answer
2k views

Using mathrm versus rm MathJax index formatting

I do not understand well, why is so much preferred \mathrm to \rm for index formatting ? (by occurrence and by user script formatting support.) Note that I currently use LaTeX/MathJax only in ...
Poutnik's user avatar
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5 votes
1 answer
445 views

MathJax mhchem editor

Is there a tool (application, online service) that helps writing the ugly formatting MathJax + mhchem code? I mean things like just typing Ctrl-B to get the selected text to bold is something else ...
Poutnik's user avatar
  • 42.7k
7 votes
1 answer
136 views

Is there a site on ChemSE to practice mhchem and mathjax?

Is there a site on ChemSE to practice mhchem and mathjax? Or does one just learn while asking or answering a question.
user55119's user avatar
  • 17.2k
3 votes
1 answer
34 views

Eliminate huge-locant-marked (by \overset) atom side space

Is it possible to elegantly eliminate side whitespace around the base under the overset, which is longer than the base? E.g. if we wanted to talk about the 123456789th carbon atom of a huge poly(...
mykhal's user avatar
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2 votes
1 answer
42 views

Formatting problem with \tag markup

I tried adding the following markup to an answer. $$\ce{Zn(s) + Cu^{2+}(aq) → Zn^{2+}(aq) + Cu(s)}\tag{Open Circuit voltage 1.1018 V}$$ ...
MaxW's user avatar
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6 votes
1 answer
91 views

Formatting hints no shown to user

Why are the basic (math/chemical) formatting hints https://chemistry.stackexchange.com/help/notation not always displayed next to the form where users enter new questions, and why is the elementar \ce{...
Karl's user avatar
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2 votes
1 answer
43 views

Why two different print styles for the x's?

Created the rather nasty markup below. Why are there two different print styles for the x's? ...
MaxW's user avatar
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17 votes
0 answers
376 views

Introducing: Markdown Shortcuts for Stack Exchange

Inserting Mathjax and making posts look nice is rewarding, but it can often be, well, repetitive and boring :( Well, not any more. I have been testing and improving this userscript for quite some time ...
Gaurang Tandon's user avatar
5 votes
1 answer
123 views

What to do if mathrm is hugging physical units?

There was some consensus about how to write physical units from mid-2016 onwards on Chem.SE, as apparent from this post. However, it seems like the damage had already been done by that time. I say so ...
Gaurang Tandon's user avatar
6 votes
0 answers
82 views

Wrong alternative invocation of MathJax

It is commonly known that MathJax can be invoked with $...$ for inline mode and $$...$$ for display mode. The more latex-like ...
Martin - マーチン's user avatar
7 votes
2 answers
122 views

Does the rendering of the precipitation and gas symbols need improvement?

Doing some markup and noticed something that annoyed me. I wanted to indicate a precipitate or gas such as: \begin{array}{ll} \text{Markup} & \text{Displays}\\\hline \text{\ce{AgCN v + KNO3}} &...
MaxW's user avatar
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8 votes
1 answer
167 views

Undefined control sequence \pu in official SE Android app

For some reason content produced with \pu{} cannot be rendered properly in official Stack Exchange android app, though \ce{} ...
andselisk's user avatar
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13 votes
3 answers
3k views

How to render Angstrom and Parts-per notations in MathJax?

Summary: Angstrom, Parts per thousand, Parts per Ten-Thousand cannot be displayed. Prior efforts: Searched Google and Detexify. Angstrom. (The letter), (the diacritic mark). The detexify (...
user avatar
9 votes
1 answer
61 views

Should we pay attention to possible bugs of MathJax in the apps?

It is quite well known that the (android) app(s) are behind on which MathJax version they are currently using (see here for an example). I find this very unfortunate as many of the newer features, ...
Martin - マーチン's user avatar
11 votes
1 answer
320 views

MathJax in the Android App

Has anyone else noticed issues with MathJax in the StackExchange app? I'm aware the comments and titles don't render MathJax automatically, but I've also seen questions where certain math expressions ...
Tyberius's user avatar
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0 votes
2 answers
84 views

This is a TEST QUESTION, examining MathJax scopes

\require{begingroup} \begingroup $ \require{begingroup} \begingroup \text{begingroup Jax} \def\ce#1{\Huge\color{\purple}{\mathrm{I~love~chemistry!}}} $ This is ...
hBy2Py's user avatar
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9 votes
3 answers
3k views

Green checkmark or red X with Mathjax/mhchem?

Is there a way to put a green check mark in the body of my text using MathJax/mhchem Syntax? Or a red X to indicate that this thinking is wrong? Something like this: I want to use it while double ...
eromod's user avatar
  • 303
19 votes
12 answers
2k views

What additional formatting features are available to MathJax (possibly via \require{})?

In his answer to a question about crossing out units in dimensional analysis, Loong notes that the \cancel{} LaTeX command can be enabled in MathJax by using ...
hBy2Py's user avatar
  • 17.4k
8 votes
1 answer
115 views

Dimensional analysis with chemistry equations on stack exchange?

I know we use Mathjax/mhchem. What I would like to know, is if its possible to cross out units as part of dimensional analysis. Here is an example of the desirable effect:
eromod's user avatar
  • 303
7 votes
0 answers
75 views

Enable automatic line-breaking for SVG output

The MathJax configuration for the HTML–CSS output processor includes the option linebreaks: { automatic:true }. When using this output processor (right-click on any ...
user avatar
3 votes
0 answers
47 views

mhchem in Android app configured differently

Bugreport. Take a look at How to write physical units in the Android app (I did with version 1.0.89), you will see that \pu does not render on Android, while it ...
mhchem's user avatar
  • 3,316

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