7.65.2 Greatest hits from previous weeks

7.65.2.1 What is the "correct" way of embedding text into math mode?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=3415

Lets say I have something like: 
\[ Let x = number of cats \] 
(This is a contrived example, but pretend we are actually inside a long align environment block...) "Let" and "number of cats" need to ... 
[math-mode]
 

asked by Billy ONeal https://tex.stackexchange.com/landing/r/digest?cta=user&id=192 257 votes

7.65.2.2 Table with multiple lines in some cells

https://tex.stackexchange.com/landing/r/digest?cta=question&id=40561

What is the easiest way to have 2 lines in some of the cells in a table? 
The only way I can think right now is to actually have 2 separate rows (without the line in the middle) and use \multirow on ... 
[tables]
 

asked by Grzenio https://tex.stackexchange.com/landing/r/digest?cta=user&id=3329 175 votes

answered by Werner https://tex.stackexchange.com/landing/r/digest?cta=user&id=5764 164 votes

7.65.2.3 Multi-line (block) comments in LaTeX

https://tex.stackexchange.com/landing/r/digest?cta=question&id=87303

In LaTeX, % can be used for single-line comments. For multi-line comments, the following command is available in the verbatim package. 
\begin{comment} 
Commented code 
\end{comment} 
But is there a ... 
[comments]
 

asked by Arindam Pal https://tex.stackexchange.com/landing/r/digest?cta=user&id=17379 263 votes

answered by guillem https://tex.stackexchange.com/landing/r/digest?cta=user&id=3941 212 votes

7.65.2.4 How to change certain pages into landscape/portrait mode

https://tex.stackexchange.com/landing/r/digest?cta=question&id=337

How can I change the orientation of some pages of my document into landscape mode, while leaving the others in portrait mode (or vice versa)? 
[landscape]
 

asked by hayalci https://tex.stackexchange.com/landing/r/digest?cta=user&id=183 372 votes

answered by rcs https://tex.stackexchange.com/landing/r/digest?cta=user&id=118 395 votes

7.65.2.5 Which dot character to use in which context?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=19180

Wikipedia lists several dot characters in Unicode.  These are the ones that are ambiguous to me: 
interpunct, middle dot (A^\[CenterDot])   ·   ·   U+00B7   "midpoint (in typography)" 
... 
[symbols] [best-practices] [punctuation] [unicode] [unicode-math]
 

asked by endolith https://tex.stackexchange.com/landing/r/digest?cta=user&id=5773 213 votes

answered by Danie Els https://tex.stackexchange.com/landing/r/digest?cta=user&id=1683 141 votes

7.65.2.6 Write pseudo code in latex

https://tex.stackexchange.com/landing/r/digest?cta=question&id=163768

I am trying to write pseudo code in my paper. Here is the snippet and image like what I want.  Can some one please help me to format it. 
\begin{algorithm} 
\caption{Euclida^\200\231s algorithm}\label{euclid} 
\... 
[algorithms]
 

asked by cyclic https://tex.stackexchange.com/landing/r/digest?cta=user&id=47334 123 votes

answered by karlkoeller https://tex.stackexchange.com/landing/r/digest?cta=user&id=27635 170 votes

7.65.2.7 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 230 votes