6.2.2 Greatest hits from previous weeks

6.2.2.1 How to write partial differential equation (Ex. dQ/dt=ds/dt) with real partial derivative signs?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=225523

I would like to make a partial differential equation by using the following notation: 
dQ/dt 
(without / but with a real numerator and denomenator). Earlier today I got help from this page on how to  ... 
[equations]
 

asked by David https://tex.stackexchange.com/landing/r/digest?cta=user&id=71265 80 votes

answered by Benjamin McKay https://tex.stackexchange.com/landing/r/digest?cta=user&id=19327 6 votes

6.2.2.2 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=192 213 votes

answered by Michael Underwood https://tex.stackexchange.com/landing/r/digest?cta=user&id=32 194 votes

6.2.2.3 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=280 227 votes

answered by Stefan Kottwitz https://tex.stackexchange.com/landing/r/digest?cta=user&id=213 140 votes

6.2.2.4 Why is \newpage ignored sometimes ?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=2958

I have the following towards the end of an article. The bibliography is short (4 entries). 
What's happening is that on the very last page of document I get the chart and immediately afterwards the  ... 
[floats] [page-breaking]
 

asked by wishihadabettername https://tex.stackexchange.com/landing/r/digest?cta=user&id=564 129 votes

answered by Will Robertson https://tex.stackexchange.com/landing/r/digest?cta=user&id=179 181 votes

6.2.2.5 How to create fixed width table columns with text raggedright/centered/raggedleft?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=12703

I would like to create a table with some columns' width specified, while the text in those columns should be centered both horizontally and vertically. I found out that 
\usepackage{array} 
... 
[tables] [horizontal-alignment] [width]
 

asked by Covi https://tex.stackexchange.com/landing/r/digest?cta=user&id=3970 251 votes

answered by lockstep https://tex.stackexchange.com/landing/r/digest?cta=user&id=510 380 votes

6.2.2.6 Matrix in Latex

https://tex.stackexchange.com/landing/r/digest?cta=question&id=204621

I am new to Latex, and I have been trying to get the matrix of following form 
[x11 x12 x13 . . . . x1n 
x21 x22 x23 . . . . x2n 
. 
. 
. 
. 
xd1 xd2 xd3 . . . . xdn] 
... 
[matrices]
 

asked by Lakshmi Narayanan https://tex.stackexchange.com/landing/r/digest?cta=user&id=63361 113 votes

answered by skpblack https://tex.stackexchange.com/landing/r/digest?cta=user&id=42912 174 votes

6.2.2.7 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 252 votes

answered by Keks Dose https://tex.stackexchange.com/landing/r/digest?cta=user&id=4736 271 votes