5
votes
2answers
136 views

A symbol for same order of magnitude in math mode [duplicate]

I want to write in math mode that something is compared to something else. It is, I want to say that both quantities have the same order of magnitude. What symbol should I use? ...
4
votes
1answer
130 views

Add keys to table (with picture and code) [duplicate]

As you see in the red part of the picture, I would like to add keys to explain what the brackets stand for. I just added this with paint, but is there a way to do this in tex? Also, are there nicer ...
9
votes
2answers
143 views

Can spaces at the beginning of a line ever cause problems?

To structure my sourcecode, I often use spaces for padding: \newcommand{\st}[1]{% \begin{tabular}{lr} \emph{Student} & \emph{Score}\\ #1 \end{tabular}% } Can this ever cause ...
25
votes
1answer
6k views

\varepsilon vs. \epsilon

I cannot remember anyone writing the letter epsilon in any other way than \varepsilon in any math class; but in LaTeX \epsilon and \varepsilon are different symbols. Do anyone of you know why there ...
2
votes
0answers
123 views

The meaning of the percent sign in LaTeX coding [duplicate]

Possible Duplicate: What is the use of percent signs (%) at the end of lines? I know that % is commonly used to uncomment parts of the code, but recently I read that there is another use ...
9
votes
1answer
3k views

How to use symbols such as \delta and \lambda

I'm trying to use symbols such as \lambda and \delta but for some reason it's not compiling. I've reproduced the problem in the following code: \documentclass[12pt,a4paper,oneside]{article} ...
13
votes
3answers
10k views

Logical “and” character in TeX

I'm trying to write a logical syllogism in the form of ((a -> b) & (c -> a)) -> (c -> b). But I don't know how to write Logical And character. It's something like caret character (^), but not as a ...
128
votes
4answers
5k views

What is the use of percent signs (%) at the end of lines?

I see that the code in many packages and examples contains percent signs % at the end of (many) lines. What are they used for? Do they affect the parsing of those lines?
43
votes
5answers
43k views

How to escape the & (ampersand) character in BibTeX?

I would like to put a & character in a BibTeX publisher tag. Thus far I have tried: \& {&} {\&} "&" with the full value enclosed in curly braces and double quotes. No matter ...