6.24.2 Greatest hits from previous weeks

6.24.2.1 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 ,  ... 
[equations] [align]
 

asked by user35571 https://tex.stackexchange.com/landing/r/digest?cta=user&id=35571 70 votes

answered by Ludovic C. https://tex.stackexchange.com/landing/r/digest?cta=user&id=31058 72 votes

6.24.2.2 What are the available "documentclass" types and their uses?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=782

Some of the available classes of documents in LaTeX are well known and widely used, such as the article and beamer classes, while others are not so well known, such as the standalone class. 
I found  ... 
[document-classes] [big-list]
 

asked by Vivi https://tex.stackexchange.com/landing/r/digest?cta=user&id=14 410 votes

answered by Stefan Kottwitz https://tex.stackexchange.com/landing/r/digest?cta=user&id=213 144 votes

6.24.2.3 Commenting out large sections

https://tex.stackexchange.com/landing/r/digest?cta=question&id=17816

So to "comment out" a line, I need to insert a % at the beginning of the line (so that line will not be compiled). 
Is there way to comment out a large section without having to manually putting a %  ... 
[comments]
 

asked by user5419 https://tex.stackexchange.com/landing/r/digest?cta=user&id=5419 330 votes

answered by Martin Scharrer https://tex.stackexchange.com/landing/r/digest?cta=user&id=2975 262 votes

6.24.2.4 How to use \graphicspath?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=139401

I am using MikTex 2.9 and TeXstudio for my TeX preparation. I would like to set the path to my figures folder, which contains all the figures, plots etc. required for my work. 
I used \graphicspath  ... 
[graphics] [miktex] [texlive]
 

asked by Litun John https://tex.stackexchange.com/landing/r/digest?cta=user&id=41546 173 votes

6.24.2.5 How to add todo notes?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=9796

Is there a simple way to add todo notes to LaTeX documents ? 
I would like to have these notes in red in the generated pdf and a simple syntax to write them. 
[todonotes]
 

asked by aneuryzm https://tex.stackexchange.com/landing/r/digest?cta=user&id=3182 265 votes

6.24.2.6 How to write two dot above a letter?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=152951

the two dots above a letter represents two derivative of varible t. 
My method: 
\documentclass[UTF8]{ctexart} 
\usepackage{amsmath} 
\usepackage{amssymb} 
\usepackage{graphicx} 
\usepackage{epstopdf} 
... 
[math-mode] [accents]
 

asked by mma https://tex.stackexchange.com/landing/r/digest?cta=user&id=43727 95 votes

6.24.2.7 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 86 votes

answered by Peter Jansson https://tex.stackexchange.com/landing/r/digest?cta=user&id=19384 114 votes