7.44.2 Greatest hits from previous weeks

7.44.2.1 Where do I place my own .sty or .cls files, to make them available to all my .tex files?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=1137

I know how to define a package or a class, but how do I make it available (to myself) at all times? 
Say I have the package file commonstuff.sty (or myprettyclass.cls), that I want to be able to ... 
[packages] [installing] [document-classes] [texmf]
 

asked by Tomas Aschan https://tex.stackexchange.com/landing/r/digest?cta=user&id=223 576 votes

answered by Stefan Kottwitz https://tex.stackexchange.com/landing/r/digest?cta=user&id=213 370 votes

7.44.2.2 Command for argmin or argmax?

https://tex.stackexchange.com/landing/r/digest?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]http://www.breakthru.... 
[math-mode] [symbols] [math-operators]
 

asked by Alejandro https://tex.stackexchange.com/landing/r/digest?cta=user&id=1128 254 votes

answered by Jan Hlavacek https://tex.stackexchange.com/landing/r/digest?cta=user&id=396 270 votes

7.44.2.3 What is the LaTeX command for "em dash" (a^\200\224)?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=53413

I am trying to insert the symbol in the title of the question, which I copied from a PDF article, but it appears as space in the output file. What is the corresponding LaTeX command? 
[symbols] [punctuation]
 

asked by Tarek https://tex.stackexchange.com/landing/r/digest?cta=user&id=13964 313 votes

answered by Keks Dose https://tex.stackexchange.com/landing/r/digest?cta=user&id=4736 343 votes

7.44.2.4 How to typeset the symbol '^' (caret/circumflex/hat)

https://tex.stackexchange.com/landing/r/digest?cta=question&id=77646

I need to display the symbol '^' 
d <- dist(fascores, method = "euclidean")^2 
How do I do that? 
[symbols]
 

asked by Cost https://tex.stackexchange.com/landing/r/digest?cta=user&id=17205 266 votes

answered by Qrrbrbirlbel https://tex.stackexchange.com/landing/r/digest?cta=user&id=16595 349 votes

7.44.2.5 How to typeset subscript in usual text mode?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=1013

It's easy to make subscripts in math mode: $a_i$. 
How do I make a subscript outside math environment, likethis? 
[subscripts]
 

asked by P Shved https://tex.stackexchange.com/landing/r/digest?cta=user&id=280 265 votes

answered by Stefan Kottwitz https://tex.stackexchange.com/landing/r/digest?cta=user&id=213 172 votes

7.44.2.6 Align equation left

https://tex.stackexchange.com/landing/r/digest?cta=question&id=145657

Here is my split equation: 
\documentclass{article} 
\usepackage{amsmath} 
\begin{document} 
\begin{equation} 
\begin{split} 
a_{ijk} =& \frac {Pr(M_{I} =2  \&  M_J=1 \& M_K =1 | I=i , J=j , K=... 
[equations] [align]
 

asked by user35571 https://tex.stackexchange.com/landing/r/digest?cta=user&id=35571 93 votes

answered by Ludovic C. https://tex.stackexchange.com/landing/r/digest?cta=user&id=31058 89 votes

7.44.2.7 "inputenc Error: Unicode char \u8" error while trying to write a degree symbol (invisible character)

https://tex.stackexchange.com/landing/r/digest?cta=question&id=4268

No matter how I try to do it I always get the following error : 
! Package inputenc Error: Unicode char \u8:A^\[DiscretionaryHyphen] not set up for use with LaTeX. 
I have tried using A^\[DiscretionaryHyphen]A^\[DiscretionaryHyphen]A^\[DiscretionaryHyphen]$^{\circ}$, \deg, \textdegree, ... 
[symbols] [unicode]
 

asked by levesque https://tex.stackexchange.com/landing/r/digest?cta=user&id=10 100 votes

answered by Antal Spector-Zabusky https://tex.stackexchange.com/landing/r/digest?cta=user&id=1425 92 votes