8
votes

Accepted

### Having the MO Mathjax parser recognise \( \) is a regex away

The real issue with using \(...\) as math delimiters is the interaction with StackExchange's Markdown engine, since Markdown uses ...

7
votes

Accepted

### Writing a bar on top of a number

To give the question an answer so it can be accepted: you can use $\overline{...}$ to get a bar over any letter or digit or group thereof.

7
votes

Accepted

### What is a supported use of \hfill?

MathJax doesn't have the idea of stretchable glue that TeX uses to implement \hfill, so it can only be used in limited situations in MathJax, namely at the ...

6
votes

Accepted

### Double overline renders poorly, except in MathML

StackExchange hasn't upgraded the version of MathJax that they are using in quite some time. They are using v2.7.5, which is more than 4 years old. The current version is 3.2.2, which handles the ...

6
votes

Accepted

### Why do `* *`s and `** **`s stop being recognised at some point, and how can I fix the resulting inadvertent vandalism?

The post "HTML comments break formatting from that point" on Meta Stack Exchange mentions that problems can be caused by an incorrectly entered HTML comment
...

4
votes

Accepted

### Why would an equation render on preview and in an external TeX compiler, but not in post?

This is a CW answer - for experimenting.
Here is the equation copy-pasted from the (current revision of the) post:
$$ U_n = M\left(c-\frac{1}{n+2}\right)-M\left(c-\frac{1}{n+1}\right)\label{1}\tag{$U$}...

Community wiki

2
votes

### Integral sign cut off in Safari

Comment I have seen this in the past. Currently, I do not see it.
Questions for diagnosis:
What math renderer are you using?
Does your error persist with others?
What System version? What version ...

2
votes

Accepted

### How is it possible to format a right-aligned sequence that has single and double digits so that the alignment is correct?

The way you are supposed to use alignment environments like aligned, cases, align, etc., is ...

1
vote

### How is it possible to format a right-aligned sequence that has single and double digits so that the alignment is correct?

Try & and \phantom{0}:
...

1
vote

### Why do `* *`s and `** **`s stop being recognised at some point, and how can I fix the resulting inadvertent vandalism?

A sandbox for testing. If you update this, please update the indented block as well as the non-indented block.
...

Only top scored, non community-wiki answers of a minimum length are eligible

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