19
votes
Accepted
How to write physical units
Instead of \mathrm many people misused \ce, because it was shorter to type. Seeing this, the author of ...
- 3,316
14
votes
FAQ: How can I format math/chemistry expressions on Chemistry Stack Exchange?
(4) Learning by example
The MathJax and mhchem syntax in the left-hand side must be enclosed in single dollar signs $...$ for an inline (smaller) equation, or ...
13
votes
Accepted
Green checkmark or red X with Mathjax/mhchem?
CAVEAT: Due to the use of Unicode, the below may not render properly on all systems, especially mobile devices. (Thanks, Martin!)
Green boxed checkmark
...
- 17.4k
12
votes
Green checkmark or red X with Mathjax/mhchem?
You can use the following for a green check mark since it is implemented in amssymb:
$\Large\color{\green}{\checkmark}$ ...
- 44.3k
12
votes
Accepted
How to render Angstrom and Parts-per notations in MathJax?
For Angstroms, check out: What additional formatting features are available to MathJax (possibly via \require{})?
$\require{mediawiki-texvc}$
The $\ce{C-O}$ bond length in carbon dioxide is $\pu{1.16 ...
- 71.7k
11
votes
What additional formatting features are available to MathJax (possibly via \require{})?
Command Grouping
Enable with: \require{begingroup}
Environment: \begingroup ... \endgroup
Quite a few things are possible ...
- 44.3k
11
votes
How can I enable MathJax in chat?
Update 2017-05-01
The MathJax CDN retired and the javascript-URL idea is not so easy any more, because of browser security. (Chrome stips away any leading ...
- 3,316
11
votes
Accepted
What additional formatting features are available to MathJax (possibly via \require{})?
As described in the MathJax documentation, any of the core MathJax extensions can be loaded this way (though this can be restricted via the MathJax configuration).
10
votes
What additional formatting features are available to MathJax (possibly via \require{})?
2-D Reaction Networks
Enable with: \require{AMScd}
Environment: \begin{CD} ... \end{CD}
Construct two-dimensional grids ...
10
votes
Green checkmark or red X with Mathjax/mhchem?
A meta answer to a meta question, making it meta². Be careful with conventions like this. They are not as intuitive and universal as you might think.
I've seen
✘ Artificial Flavours
written on ...
- 3,316
10
votes
Accepted
Should we pay attention to possible bugs of MathJax in the apps?
Yes and no.
Yes - if the differences are cosmetic.
One example of this is \dfrac vs. \frac, the latter of which is better ...
- 43k
10
votes
Accepted
Using mathrm versus rm MathJax index formatting
\rm shouldn't be used at all as it's a deprecated command existing solely for the backward compatibility.
Historically, the two-letter commands such as ...
andseliskMod
- 38.4k
10
votes
Accepted
Extra spacing before mhchem super/subscripts
This doesn't look right.
$\mathrm{|{}^1H|}$ $\mathrm{|{}^1H|}$
and
$\mathrm{|\ce{^1H}|}$ $\mathrm{|\ce{^1H}|}$
should give the ...
- 3,316
9
votes
What additional formatting features are available to MathJax (possibly via \require{})?
Cancellation Lines
Enable with: \require{cancel}
Commands: \cancel{}, \bcancel{}, ...
8
votes
Accepted
Mhchem broken on mobile
This bug was caused by /sites route in the stackexchange api not returning MHChemMathJax in markdown_extensions due to ...
- 101
8
votes
Accepted
Why two different print styles for the x's?
You are mixing chemistry typeset with maths typeset; I don't think that the mhchem module is set up for this. There is probably much more wrong than what you consider a bug. Assuming $K$ is an ...
- 44.3k
7
votes
Chemical formulas with fractional numbers are displayed wrongly
This issue has been solved since mid of 2016.
$\ce{0.5H2O}$ renders as $\ce{0.5H2O}$.
Short background: MathJax is NOT LaTeX. MathJax is a complete re-...
- 3,316
7
votes
Accepted
MathJax in the Android App
Unfortunately the app uses a different version than the website. That does include the recent updates to mhchem, especially the \pu{...} command.
While ...
- 44.3k
7
votes
How to render Angstrom and Parts-per notations in MathJax?
There are other possible solutions. Whether they are simpler, I leave for the reader to decide. To write angstrom, you may use \overset{\circ}{\mathrm {A}} which ...
- 7,159
7
votes
Accepted
What to do if mathrm is hugging physical units?
TL;DR:
What is the need of it if mathrm is doing the job properly? – Apoorv Potnis
There is no need.
There always was a demand for the ...
- 44.3k
7
votes
Accepted
MathJax mhchem editor
Yes, see Introducing: Markdown Shortcuts for StackExchange. Of course, this doesn't change the fact that you will need to learn a new bunch of shortcuts (or customise them). That is all we really have,...
- 71.7k
6
votes
FAQ: How can I format math/chemistry expressions on Chemistry Stack Exchange?
(3.1) Basic mhchem: Chemical formulae
Chemical formulae can be typeset with the \ce{...} command. Note that the \ce{...} command ...
5
votes
Eliminate huge-locant-marked (by \overset) atom side space
Probably not, at least probably not in the way you would like it. As far as I see there is no centering zero-width box implemented in MathJax (in LaTeX one could use makebox with ...
- 44.3k
5
votes
Is there a site on ChemSE to practice mhchem and mathjax?
We have a couple of posts on meta where you can add an answer and edit as you wish. The first one has been closed because of the large number of answers, which makes editing very difficult as MathJax ...
- 71.7k
5
votes
Accepted
Problem in rendering with arrow
It looks like StackExchange has (apparently recently) added CSS that is causing the problem. In their primary.css file is the declaration
...
- 101
4
votes
What additional formatting features are available to MathJax (possibly via \require{})?
Tooltips and Toggleable Math
Enable with: \require{action}
Commands: \mathtip{math}{tip} and ...
4
votes
This is a TEST QUESTION, examining MathJax scopes
\require{begingroup}
\begingroup
$
\require{begingroup}
\begingroup
\text{begingroup Jax}
$
Testing \frac:
...
- 17.4k
4
votes
What additional formatting features are available to MathJax (possibly via \require{})?
Overlay/Enclosure Annotations
Enable with: \require{enclose} $\require{enclose}$
Command: \enclose{type}[options]{math}
...
4
votes
Does the rendering of the precipitation and gas symbols need improvement?
A ‘better’ cheap hack to reduce the distance between the arrow and the formula is to use negative space, \!.
$$\begin{array}{lc}\text{Markup} & \text{Output}\\
...
- 68.5k
Only top scored, non community-wiki answers of a minimum length are eligible