31 votes
Accepted

Discouraging the use of textual screenshots in questions

I agree. Screenshots of text have no place on this site. There is simply no reason that plain text should ever be presented as a screenshot, and plenty of reasons why it shouldn't. If you want to ...
Emilio Pisanty's user avatar
23 votes

Would the braket extension in MathJax v3 be appropriate and useful for this site?

Just as a place to gather votes as a clear signal: Yes, the braket extension is appropriate and useful. It should be enabled on this site whenever the MathJax version is upgraded to v3. (Vote up if ...
Emilio Pisanty's user avatar
21 votes
Accepted

Is MathJax in titles OK?

I would argue that MathJax in titles should be kept to the minimum required, and as readable as possible, but if it is integral to writing a good title for the question then it should very much stay ...
Emilio Pisanty's user avatar
17 votes

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

I see two relevant classes of users here: The user in question is a relative newcomer, and they've come to rely on other people fixing posts with substantial amounts of mistyped math for them as if ...
Emilio Pisanty's user avatar
16 votes

Discouraging the use of textual screenshots in questions

I agree that text should not be a screenshot. A link could refer to the text and the content described. That elsewhere reference refers indirectly to me, because I am not open to learning mathjax . ...
anna v's user avatar
  • 234k
13 votes
Accepted

Bug in MathJax rendering using Chrome?

Yes, it is a problem with macOS. To fix it, Right-click on some of the misrendered MathJax. Click on "Math Settings". Click on "Math Renderer". Click on "Common HTML".
Silly Goose's user avatar
  • 2,112
12 votes
Accepted

siunitx LaTeX package?

If you convince your administrator to enable mhchem here – chemistry.SE does have it – then you could make use of MathJax/mhchem's \pu command. ...
mhchem's user avatar
  • 111
11 votes
Accepted

Why can't I write down tilde? Is there any MathJax syntax?

is a small space, while \tilde{} is an ornament of a character. Use instead e.g. \sim. ...
Qmechanic's user avatar
  • 202k
10 votes

MathJax on Meta

Typically if MathJax is enabled on the main site, we turn it on for meta too. I'm not at all sure why it wasn't done here. No doubt there was a good reason (or at least an understandable one, such as "...
Jon Ericson's user avatar
10 votes
Accepted

The scope of \newcommand changed

OK, I've gone through the list of answered questions. There should be no more broken LaTeX caused by this change on the site, but if you find any more, fix it on sight!
Emilio Pisanty's user avatar
10 votes

An alternative to MathJax in chat

The Unicode character set contains most of the characters that are needed to construct equations. For example you can write: ds² = -(1 - 2GM/c²r)c²dt² + (1 - 2GM/c²r)⁻¹ dr² + r²dθ² + r² sin²(θ)dφ² ...
John Rennie's user avatar
9 votes
Accepted

Should I edit question to format equation linked as image in MathJax?

Yes, you should edit and/or leave a comment in these cases because Images are fixed size and will display poorly in small browser windows, particularly on phones. MathJax is searchable, although the ...
ACuriousMind's user avatar
  • 125k
9 votes

The proposed changes to the text editor would break this site

Here is one option put forward by the SE developers: switching from MathJax to prosemirror-math. For a quick look at how it works, I'll just pull this from their readme: Examples Unlike other editors,...
Emilio Pisanty's user avatar
8 votes

Is MathJax in titles OK?

Yes, mathjax in titles is allowed and even encouraged for better readability/clarity. The main priority is to optimize the user experience for Phys.SE. The HNQ is separate from the Phys.SE and has ...
Qmechanic's user avatar
  • 202k
7 votes

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

The hat fits me, and also it would fit older users . Everybody ages, and with age memory is not the same, particularly short term memory. I do try to use dollar signs around simple formulae, (since I ...
anna v's user avatar
  • 234k
7 votes
Accepted

Should the tags (mathjax) and (tex) on meta be synonyms?

Okay, I have created a synonym tex→mathjax. The 2 tags are not yet merged, so if the community feels strongly about it one way or another, speak up: It can still be undone.
Qmechanic's user avatar
  • 202k
7 votes

Is it necessary to use heavy maths and math Jax?

No, I don't think it's necessary to use MathJax. In fact, one of our top answerers here doesn't use MathJax at all. This is mostly because answers, and questions, are based in physics and not in maths ...
Kyle Kanos's user avatar
  • 28.3k
7 votes
Accepted

Abbrevation and/or warning for $\langle$ and $\rangle$ commands

I think most experienced users of this site would agree that things like "$|\psi>$" often look ugly enough for one's eyes to bleed at least a little. But the minor level of annoyance from looking ...
Emilio Pisanty's user avatar
7 votes
Accepted

Is it possible to have the editor and preview in a side by side mode? Or maybe just a scrollbar in the preview?

Almost certainly not; changing the editor is a network-wide change which requires a lot of investment in usability testing across multiple browsers and platforms.. See previously, previously. You ...
rob's user avatar
  • 89.9k
7 votes

MathJax usage for questions by new users

Of course I do not know the voting behaviour of other people, but I think you're inferring causation where there is only correlation. The following things are probably true: Questions by new users ...
ACuriousMind's user avatar
  • 125k
6 votes
Accepted

On Bra & ket notation

the mathjax does not support the necessary packages This isn't true - MathJax has full support for the \langle, | and ...
Emilio Pisanty's user avatar
6 votes
Accepted

Using chemical formulas

The $\ce$ command is provided by the mhchem package, which is available in MathJax but currently not loaded by default on Physics or Physics Meta. A workaround is ...
rob's user avatar
  • 89.9k
6 votes
Accepted

MathJax does not show the equations properly

This seems to be caused by the use of \label{}. Here is your first equation, with and without that command: $$ h(t)\nabla \times \tilde {\mathbf H} = \mathbf J +\...
Emilio Pisanty's user avatar
5 votes

Does math in my questions need to be in the form of MathJax?

However, does this mean that without use of MathJax, my question will never be answered? The short answer is no, it doesn't mean that. But there's more going on here than just MathJax. From what you ...
David Z's user avatar
  • 76.4k
5 votes

Abbrevation and/or warning for $\langle$ and $\rangle$ commands

kerning, noun: in typesetting, the horizontal distance between symbols keming, noun: poor-quality kerning I've had many mentors who knew less about typesetting than I did. I put them in the same ...
rob's user avatar
  • 89.9k
4 votes
Accepted

Chat does not support LaTeX input

You need to enable it manually on the client side, see this mother meta post: ChatJax, a set of bookmarklets by robjohn to enable dynamic MathJax support in chat. Commonly used in the ...
ACuriousMind's user avatar
  • 125k
4 votes

Update to Mathjax 2.7.2 please

Sorry about that. I didn't realize the beta was over. We're on v2.7.2 network-wide now.
Adam Lear's user avatar
  • 100
4 votes
Accepted

Posting questions with math symbols

This site has MathJax enabled, which means that you can essentially use any (reasonable) LaTeX command inside dollar and double-dollar signs (or indeed inside equation or align environments, among ...
Emilio Pisanty's user avatar

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