5.15.2 Greatest hits from previous weeks

5.15.2.1 Real number symbol (UTF-8: a^\204\235) in XeTeX

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=104274

How can I get the 'real number' sign (something like \mathbb{R} with the amssymb package in LaTeX) in XeTeX? 
[math-mode] [xetex] [symbols] [amsmath] [plain-tex]
 

asked by lvaneesbeeck https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=24686 100 votes

answered by lvaneesbeeck https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=24686 8 votes

5.15.2.2 tlmgr cannot setup TLPDB

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=137428

I'm trying to update my installation of texlive 2013 under Ubuntu 13.10. 
However, I followed the instruction on this answer, but I get an error 
(running on Debian, switching to user mode!) 
... 
[errors] [texlive] [ubuntu]
 

asked by adn https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=7561 181 votes

answered by ppr https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=28474 174 votes

5.15.2.3 Is there any way to do a correct word count of a LaTeX document?

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=534

Often assignments (or even papers) have a word count limit. That is not a big deal when using Word, but I don't know how to do that using LaTeX. My solution has been so far to compile the document and  ... 
[packages] [compiling] [word-count] [scripts]
 

asked by Vivi https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=14 334 votes

answered by ShreevatsaR https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=48 179 votes

5.15.2.4 What are all the font styles I can use in math mode?

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=58098

As can be seen in above picture, there are lots of fonts or font styles that can be used in math mode. 
What are all the fonts or font styles I can use in math mode, and which packages are required  ... 
[fonts] [math-mode] [big-list] [latin-modern] [computer-modern]
 

asked by doncherry https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=4012 375 votes

answered by Christian https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=13450 487 votes

5.15.2.5 How to add an extra level of sections with headings below \subsubsection

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=60209

I have a document which requires many levels of sectioning. I have sections, subsections and subsubsections, but require one more level below that. I can't change the sections to be parts and move  ... 
[sectioning] [sections-paragraphs]
 

asked by robintw https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=495 219 votes

answered by Gonzalo Medina https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=3954 188 votes

5.15.2.6 Command for argmin or argmax?

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=5223

How can you get the argmin or argmax in Latex? Two solutions I found are: 
\underset{x}{\operatorname{argmax}} 
\DeclareMathOperator*{\argmin}{arg\,min} 
Any other ideas? 
[1]  ... 
[math-mode] [symbols] [math-operators]
 

asked by Alejandro https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=1128 189 votes

answered by Jan Hlavacek https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=396 183 votes

5.15.2.7 Show equation number only once in align environment

https://tex.stackexchange.com/landing/r/newsletter?cta=question&id=17528

I want the equation number to be shown only at the last line, or better, somewhere in the middle of all. So instead of (1), (2), ... only (1). 
I use \begin{align} ... \end{align} 
[equations] [align]
 

asked by Theta30 https://tex.stackexchange.com/landing/r/newsletter?cta=user&id=5350 154 votes