6.22.2 Greatest hits from previous weeks

6.22.2.1 How do I turn off equation auto numbering

https://tex.stackexchange.com/landing/r/digest?cta=question&id=2597

I have an equation like this: 
\begin{align} 
P(A \cup B) = \sum_{\omega \in A \cup B} P(\omega) = \sum_{\omega \in A} P(\omega) + \sum_{\omega \in B} P(\omega) 
= P(A) + P(B) 
... 
[equations] [numbering]
 

asked by user1046 https://tex.stackexchange.com/landing/r/digest?cta=user&id=1046 136 votes

answered by levesque https://tex.stackexchange.com/landing/r/digest?cta=user&id=10 154 votes

6.22.2.2 "Correct" way to bold/italicize text?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=41681

Is either of these considered better/more readable/more "proper"/more conventional than the other for making text bold? If so, what is the reason? 
I like my text \textbf{bold} 
versus: 
I like my  ... 
[best-practices] [bold] [italic]
 

asked by user541686 https://tex.stackexchange.com/landing/r/digest?cta=user&id=2694 386 votes

answered by Todd Lehman https://tex.stackexchange.com/landing/r/digest?cta=user&id=8499 371 votes

6.22.2.3 What point (pt) font size are \Large etc.?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=24599

In the preamble I have: 
\documentclass[a4paper,11pt]{article} 
\usepackage{fontspec} 
\setmainfont{Arial} 
What can be inferred about the real font pt size for the following? 
\tiny, \scriptsize,  ... 
[fontsize] [class-options]
 

asked by Level1Coder https://tex.stackexchange.com/landing/r/digest?cta=user&id=6825 254 votes

answered by Alan Munn https://tex.stackexchange.com/landing/r/digest?cta=user&id=2693 399 votes

6.22.2.4 What is the degree symbol?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=384873

In order to have the following output involving the degree symbol 
I can try 
\documentclass{report} 
\begin{document} 
The angle is 30$^\circ$. 
\end{document} 
However, this is an awkward manner to  ... 
[typography] [degrees]
 

asked by Viesturs https://tex.stackexchange.com/landing/r/digest?cta=user&id=114719 78 votes

answered by Ulrike Fischer https://tex.stackexchange.com/landing/r/digest?cta=user&id=2388 71 votes

6.22.2.5 How to write a function (piecewise) with bracket outside?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=32140

How to write this Piecewise function using LaTeX? 
I tried 
$ 
\begin{array}{cc} 
\{ & 
\begin{array}{cc} 
0 & x\leq 0 \\ 
\frac{100-x}{100} & 0\leq x\leq 100 \\ 
0  ... 
[math-mode] [equations] [brackets]
 

asked by GarouDan https://tex.stackexchange.com/landing/r/digest?cta=user&id=5314 155 votes

answered by Ant https://tex.stackexchange.com/landing/r/digest?cta=user&id=6984 190 votes

6.22.2.6 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=223 545 votes

answered by Stefan Kottwitz https://tex.stackexchange.com/landing/r/digest?cta=user&id=213 348 votes

6.22.2.7 LaTeX template for resume/curriculum vitae

https://tex.stackexchange.com/landing/r/digest?cta=question&id=80

If you have a TeX'ed resume, did you use a template or make your own? Are there any useful packages? What looks the most professional? How about special considerations for different areas of work  ... 
[packages] [templates] [cv]
 

asked by Otis https://tex.stackexchange.com/landing/r/digest?cta=user&id=8 517 votes

answered by Konrad Rudolph https://tex.stackexchange.com/landing/r/digest?cta=user&id=42 212 votes