Questions tagged [support]

A request for assistance with one of the site's features.

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8 votes
0 answers
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MathJax out of date

It seems we are using MathJax version 2.7.5 That is apparently 4 years out of date. Can Math.se update the MathJax it uses? Or do we have to wait for the whole SE system to do it?
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5 votes
0 answers
153 views

Why using \mathcal command produce a square?

See for example or that
  • 52.3k
5 votes
1 answer
107 views

How to add ellipsis in enumeration in markdown?

I would like to render a list in markdown with numbers 1, 2, 3, ..., 10 My first attempt 1. one 2. two 3. three ... 10. ten produces one two three ... ten the ...
  • 1,203
3 votes
0 answers
101 views

Why isn't the table command working?

In this question here I'm trying to render some tables using this code probability distribution of $C_1$ | event | probability | :------- | :----------------: | | 0 heads | $\frac{1}{9}$ ...
1 vote
1 answer
106 views

Why are there required tags in meta?

Every question requires one of the tags [feature-request], [bug], [support], or [discussion]. Why is this so?
  • 2,137
-3 votes
1 answer
280 views

The downvoting system is toxic. [duplicate]

I was told to ask here. Here I am! Does anyone else have the same feeling? Sometimes some questions are downvoted because it seems trivial. But to be honest, as a person first seeing some maths ...
  • 552
0 votes
0 answers
84 views

I am unable to add comments to questions via the mobile app [duplicate]

I can add comments via Chrome Browser on my iMac however, I am unable to do so from my iPhone mobile using the Stack Exchange App. It lets me type in the comments but fails when I submit it. It asked ...
  • 5,354
2 votes
2 answers
149 views

How to write Pascal's triangle using MathJax?

I tried to use a matrix method to write Pascal's triangle using MathJax, using the code; ...
1 vote
1 answer
54 views

Why did this spoiler syntax not work

I wanted to write the following as a spoiler, in an answer, but the syntax >! did not work. ! Essentially, $\log_5(6/5) = \log_5(6) - \log_5(5) = a/b -1$ since $\log_56=\dfrac{\log_4 6}{\log_4 5}...
  • 1,632
3 votes
1 answer
93 views

"Could not perform this request with your account." -- iOS error

I sometimes use the iOS Stack Exchange app. This has been working for years, but suddenly every time I try to take an action, I get a pop-up error message that says: ...
3 votes
0 answers
111 views

Hoffman and Kunze big list?

I recently think I came across a post either here or on the main site containing most of the questions that have been asked from Hoffman and Kunze’s Linear Algebra on this site. Could someone link it ...
3 votes
2 answers
161 views

What [![enter image description here][1]][1] means

So when I add an image, this shows up: [![enter image description here][1]][1] This also shows up: ...
-2 votes
2 answers
85 views

Modifications don't show up on the timeline.

This happens frequently, both on the main site and on meta: An old question pops back up on the front page, I open it, the text under the title says "Modified today", but when I check the ...
-5 votes
1 answer
118 views

Same code rendering two different matrices [closed]

I'm trying to type this on mSE \begin{pmatrix} x_1 \\ x_3 \\ x_3 \\ x_4\\ \end{pmatrix}, is rendering like this for me what to do?
7 votes
1 answer
373 views

Drop in reputation from question that has no downvotes

I got this notification on this question. However, this question did not receive 4 downvotes, as can be seen here so I'm curious what the notification indicates.
4 votes
1 answer
120 views

Should this question (that I wrote) be migrated to History of Mathematics SE?

I wrote this question ( In its earliest usage, did the notation "5 x 3" mean "five groups of three" or "five, placed into each of three groups"? ) without realizing that ...
  • 775
9 votes
1 answer
144 views

Where did my bookmarks go?

Okay, so now when I hit the 'bookmark' icon, the question is now 'saved', and now there's a 'Saves' tab in my profile. Fine, sure, whatever. But where did my old bookmarks go? And if there is ...
-3 votes
1 answer
163 views

How can I write double horizontal arrow in Math Jax?

I wish to know how to write the double horizontal arrow as shown above, in Mathjax. Could the close voters please say where the code for this command is in close target?
0 votes
0 answers
52 views

Why does MathJax load slower in “ask a question” than when editing one on mobile?

I was about to ask a question: but the MathJax fails to appear, unless one waits for about $40$ seconds. The editing sandbox is great, but there is lag between each character typed. Moreover, when ...
  • 6,559
3 votes
2 answers
166 views

Do problems from competitive exams for colleges count as "Competition Maths"?

I recently came across this post on always mentioning if a question is from a competition , and in the past, I've asked many questions that are from certain comeptitive exams in my country. However, ...
-13 votes
1 answer
123 views

How do I get a giant letter $\Pi$ for indexed products in MathJax? [closed]

The following is too small: $\prod_{k=1}^{3}$ \prod_{k=1}^{3} We want an in-line product, not display-style (I do not want the equation center-justified on the ...
-4 votes
1 answer
94 views

How do I prevent $\mathcal{MathJax}$ from putting excessive amounts of space around quotation marks?

How do I prevent $\mathcal{MathJax}$ from putting excessive amounts of space around quotation marks? $\mathtt{"Hello" + "World"}$ denotes the string $\mathtt{"Hello World"}$. Let $A = \begin{Bmatrix}\...
5 votes
1 answer
127 views

Can I ask a question about terminology here?

I want to ask a question about the best term to use describe problems such as these where there are multiple steps to the problem. Because I am looking for a term, I am considering it a terminology ...
  • 109
0 votes
0 answers
114 views

No record of change of 2 rep

I'm just curious and not particularly concerned to know that when my rep changed from 2005 to 2003, I went to check the rep tab, and there I could see no reason for that happening which is the first-...
4 votes
1 answer
235 views

Why was I notified inbox without being tagged?

combinatorics duplicates question In the above post when OP tagged trueblueanil, I got notified too why? Proof:
4 votes
1 answer
107 views

Why red instead of grey in review queue?

This is the first time I'm seeing a red colour beside a queue. What's its significance? I did around 5 "First Questions" review and that I've done before with a grey symbol too. (1 was a ...
0 votes
0 answers
69 views

How do I display stricken text on math.stackexchange.com [duplicate]

As you know, the math branch of stack exchange uses the $\mathcal{MathJax}$ web plug-in. How do I strike-out text on math.stackexchange? I read the documentation for a $\mathcal{MathJax}$ command ...
14 votes
1 answer
570 views

Why was this question automatically deleted by the Community Bot on 08/13/2022?

Why was this question automatically deleted by the Community Bot on 08/13/2022? (And for no apparent good reason, that is!) I tried voting to undelete, but it says I can no longer vote to undelete, ...
-4 votes
1 answer
125 views

When should posts be closed as duplicates?

One could answer " when they are the same" but what if a question is answered by combination of more than one old post? So, let's say a question ask how to show a statement C from a ...
0 votes
0 answers
97 views

Reason behind "+1" rep?

I opened my account to see a I've gained 1 rep point for the above reason. I'm curious to know the reason behind it? Other than when an answer is accepted, I don't remember ever dealing with ...
2 votes
0 answers
45 views

Workaround for new iPad glitch? Spaces automatically added after (some) backslashes

I have used M.SE quite a lot using my iPad, but recently, iPad's autocorrect started automatically inserting spaces after some bashslashes (\.) The space is added ...
2 votes
1 answer
50 views

Equivalent of `@VVV` for uparrow in commutative diagram?

Following questions like this, I managed to draw a commutative diagram like below using package AMScd: $$\require{AMScd}\begin{CD} X @>>> X \\ @V{f}VV @V{f^...
6 votes
1 answer
234 views

List of edits waiting for approval

I want to see the list of all my edits that are still waiting for an approval. Does such a list exist? If yes, where/how can I see/get such a list?
4 votes
4 answers
230 views

How to typeset a symbol for "the inside of a triangle"?

I'd like to use a symbol to denote the inside of a triangle inside mathematical formulas in an answer I'm writing for Mathematics Stack Exchange. A natural candidate is a triangle with a dot inside it:...
  • 10.7k
-1 votes
2 answers
207 views

Why is it so hard to find solutions in mathstackexchange

I was advised that this site has people who can answer and are interested in research. But I asked questions, no one bothers to look. So I edit thinking I might be the problem. I realise there maybe ...
5 votes
1 answer
119 views

Are there any symbol to make a "half-space" in MathJax? half the size of $\text{\,}$ approx $\text{\kern 0.08333em}$?

Are there any symbol to make a half-space in MathJax? half the size of $\text{\,}$ approx $\text{\kern 0.08333em}$ ? If I write jointly the letter $\rho$ with the "letter C with undertext letter ...
  • 1,015
7 votes
1 answer
247 views

I haven't been around for a while; what are the new policies I need to know in order to use the site?

I haven't used this site for a while (years); just busy with other things. A screenshot of my rating chart I've constantly been on Stack Exchange, but seldom on Math.SE (and virtually never on Math....
2 votes
1 answer
61 views

My badges showing great fluctuations

Just now I saw the number of the badges go down from 13 to 5 then back to 13 and for now it shows 6. Why is this happening? Also, along with that, the number of people reached and votes cast is also ...
-1 votes
2 answers
185 views

"Report Abuse" or "Report Bullying" Button

I came here to report about someone who bullied me a few days ago but to my surprise, their account is already temporarily suspended, most likely, within a couple of days from now. But most likely the ...
0 votes
0 answers
78 views

Excavator badge not being awarded

I edited an answer that was inactive for more than 6 months, but wasn't awarded the Excavator badge. Why? Although it is not specified in the badge criteria, but does the post being negatively scored ...
  • 321
5 votes
1 answer
103 views

How do I start a bounty?

I would like to start a bounty for the question: How to calculate the integral of a product of a spherical Hankel function with associated Legendre polynomials Below the questions and existing ...
  • 371
8 votes
1 answer
233 views

Why wasn't this question removed automatically from the HNQ list?

From previous discussions, I've come to understand that questions with MathJax in the title cannot become hot network questions, and that editing a title to include MathJax should boot the question ...
  • 46.7k
6 votes
0 answers
256 views

A Beginner and the Problem with the 50 Reputations Requirement

I have just started studying calculus and sometimes have questions which are super easy for the most members of the site. I had a question and did not want to ask it because a similar one was already ...
20 votes
1 answer
1k views

A question has been closed as not being about mathematics

I used to post here at least one question a week. Within the last few years, it has felt like the community has changed and the moderating has changed. I stopped being as active and watched ...
1 vote
0 answers
118 views

Close as duplicate when the "duplicate" appeared several years later [duplicate]

It does not make sense to me that you get your question closed when the duplicate causing it to be closed has appeared many years later. And the question being closed already has a satisfactory and ...
3 votes
1 answer
132 views

How to rotate text by 180° and or mirror it in Math.SE?

I'd like to rotate and mirror text left-right in Math.SE, as plain text or inside formulae. What I tried is from a TeX post or this one like: ...
2 votes
2 answers
102 views

Why can't I edit the tags of my post? Why do people not seem to be interested in it?

I have a question about my Mathematics Stack Exchange post: Trying to prove a proposition about the nth order derivative of a polynomial by induction - is this correct? I tried to add the proof-...
0 votes
0 answers
139 views

Would this question be more suitable for Math Overflow?

I asked the following question, but I didn't get any answer, even after adding a bounty: Finite-sample confidence interval for the sample mean of N iid Beta-Binomial random variables Do you think I ...
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2 votes
1 answer
151 views

Number of bounties offered by an user

Is it possible to see how many bounties offered a specific user and how many of these bounties were awarded?
2 votes
1 answer
93 views

typing star between brackets in text

Suppose I write a post that contains equations that I like to refer back to later, like this: $$3^2 + 4^2 = 5^2 \qquad (*)$$ $$3^3 + 4^3 + 5^3 = 6^3 \qquad (**)$$ $$3^4 + 4^4 + 5^4 + 6^4 = 7^4 \qquad ...
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