7.5.2 Greatest hits from previous weeks

7.5.2.1 Absolute Value Symbols

https://tex.stackexchange.com/landing/r/digest?cta=question&id=43008

What is the "best LaTeX practices" for writing absolute value symbols?  Are there any packages which provide good methods? 
Some options include|x| and \mid x \mid, but I'm not sure which is best... 
[math-mode] [symbols]
 

asked by jamaicanworm https://tex.stackexchange.com/landing/r/digest?cta=user&id=9757 271 votes

answered by Peter Grill https://tex.stackexchange.com/landing/r/digest?cta=user&id=4301 206 votes

7.5.2.2 Displaying the binomial coefficient symbol in math mode

https://tex.stackexchange.com/landing/r/digest?cta=question&id=127707

The problem is caused by the symbol of binomial coefficient (symbol of Newton), often used in math: 
{N}\choose{k} 
In my document I have formula: 
$$ P(A) = \sum P(\{ (e_1,...,e_N) \})  =  {N}\choose{... 
[math-mode] [symbols]
 

asked by MC2DX https://tex.stackexchange.com/landing/r/digest?cta=user&id=21025 126 votes

7.5.2.3 When should I use \input vs. \include?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=246

There are two different commands to incorporate another file into the source of some document, \input and \include. When should I use one or the other? What are the differences between them? Are there ... 
[include] [input]
 

asked by Phil Miller https://tex.stackexchange.com/landing/r/digest?cta=user&id=60 1238 votes

answered by Michael Mrozek https://tex.stackexchange.com/landing/r/digest?cta=user&id=29 1099 votes

7.5.2.4 How to write 'A~\[Currency]' and other umlauts and accented letters in bibliography?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=57743

How to write in bibliography (package natbib) letter "a" with two dots above? Specially, I mean the word BirkhA~\[Currency]user. 
Is there a general rule or way how to write such umlauts or other accented letters ... 
[bibtex] [accents] [characters]
 

asked by Laura https://tex.stackexchange.com/landing/r/digest?cta=user&id=14475 375 votes

answered by Mico https://tex.stackexchange.com/landing/r/digest?cta=user&id=5001 496 votes

7.5.2.5 Show equation number only once in align environment

https://tex.stackexchange.com/landing/r/digest?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/digest?cta=user&id=5350 208 votes

answered by Gonzalo Medina https://tex.stackexchange.com/landing/r/digest?cta=user&id=3954 186 votes

7.5.2.6 How to include SVG diagrams in LaTeX?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=2099

I'm making all my diagrams in SVG format using Inkscape and then I export them to some other format (e.g. PDF, EPS or PNG). I wrote a short script that does this for me automatically, but I'd like to ... 
[graphics] [svg]
 

asked by Martin Tapankov https://tex.stackexchange.com/landing/r/digest?cta=user&id=711 584 votes

answered by Martin H https://tex.stackexchange.com/landing/r/digest?cta=user&id=632 321 votes

7.5.2.7 Dictionary for TeXstudio: 'No dictionary Available'

https://tex.stackexchange.com/landing/r/digest?cta=question&id=87650

I have trouble spell checking my document in TeXstudio. When I press spellcheck, I get the error No dictionary Available. Am I supposed to install a dictionary separately? How? Any suggestion? 
[texstudio] [spelling] [dictionaries]
 

asked by N Nik https://tex.stackexchange.com/landing/r/digest?cta=user&id=21429 92 votes

answered by Peter Jansson https://tex.stackexchange.com/landing/r/digest?cta=user&id=19384 131 votes