{symbols} is about specific non-alphabetic symbols or math symbols, e.g., about looking-up, constructing, or using symbols. For questions about {fonts} or alphabetic {characters} use the respective tag instead.

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9
votes
2answers
27k views

ISO: cross product [closed]

ISO norms specifies a standard symbol for cross product? I found in many books of mathematics the \times operator, while in physics it seems widely used the \wedge (or \land or another similar ...
3
votes
1answer
186 views

How can I get straight double quotes in listings?

My question is related to the following two How to have straight single quotes in lstlistings In the minted package, how do I enforce straight single quotes? but I'm specifically asking about ...
19
votes
3answers
3k views

Big tilde in math mode

How do I get a really wide tilde? I need to cover at least abcdefghijklmnopqrstuvwxyz The \widetilde command does not work. Nor using \stackrel with \sim.
5
votes
5answers
132 views

Crossmark on an expression inside mathmode in latex

How can I put a crossmark on an expression inside a math mode using latex like below?
5
votes
1answer
56 views

standard \cup vs musixtex's \cup

I'm using the musixtex package and it contains a \cup command (command for a dotted note). Unfortunately, I need the usual \cup command (command for the union of sets). Now, LaTeX doesn't recognize ...
11
votes
3answers
180 views

position of the slash in hatted \slashed

So I want to denote the Dirac operator with a hat, and I tried both \hat{\slashed{D}} and \slashed{\hat{D}}: the first one has the $^$ rather distant to the $\slashed{D}$, while the second one has the ...
9
votes
3answers
717 views

Short equals sign

I don't know much about font encodings in LaTeX, and I'm not running Xe(La)TeX. Does anyone know where I could find a shorter (as in: not as wide) equals sign? I use it in text, not in math, and it ...
8
votes
2answers
138 views

Shuffle symbol breaks footnotes?

I am currently recompiling a draft monograph with Springer's "svmono" class. When compiling the file, everything seems to work fine, but the first time TeX encounters a footnote, it throws the error ...
4
votes
4answers
208 views

How to create a symbol that is alike for indices around empty {}?

How can I create the symbol shown below so that it be insertable as letter into text in LaTeX? I found it in a book and I tried to reverse engineer it, but I failed: % does not compile ...
18
votes
1answer
379 views

How can I create a beautiful symbol table?

One part of my "Geometrie und Topologie" book is a symbol table that allows students to quickly find the right words when they don't understand a symbol. This makes searching via the index / Wikipedia ...
8
votes
2answers
270 views

Space that disappears at the edges (beginning/end) of a math formula

Is there a way to produce a space that disappears at the beginning or end of a math formula? Idea: For the formula-final case, something that looks ahead or takes an obligatory argument might be a ...
10
votes
4answers
545 views

How to put bullet symbol on top of downarrow symbol

I want to put bullet symbol on top of downward arrow symbol. Can someone help me on this? \documentclass{article} \usepackage{graphicx} \begin{document} The transition is represented with ...
2
votes
1answer
72 views

Special character [duplicate]

I need to put a weird symbol into regular text. I tracked down the UTF details of it, that page describes it as: "MODIFIER LETTER LEFT HALF RING" How can I find out the TeX code for it?
17
votes
4answers
1k views

wavy division sign wanted

I would like to find or create a math relation symbol that resembles a division sign, except that the horizontal bar would instead be a tilde (\sim). Can anyone help with this?
0
votes
2answers
102 views

Symbol for Set of Integer

I can use \mathbb{Z} to represent an integer type but what symbol I should denote a set of integer?
3
votes
2answers
135 views

How do I change the footnote symbols (asterisk, daggers) to numbers?

I simply want my footnotes to use numbers rather than symbols (which for some reason is the default behaviour for an article. I would also like the horizontal line to extend the width of the page. How ...
9
votes
2answers
270 views

How to change operator symbols in truth table

I need to type truth tables for my computer architecture classes. Until now I was using a manually typed tabular but today I've found this answer from Scott H. which provides a command called ...
6
votes
2answers
208 views

Combination of \pm and \EUR

I am trying to simply combine a Euro sign with the plus-minus symbol \pm. However the Euro sign is always converted to a small e, instead of the actual €. Is there a simply workaround? Thanks! ...
9
votes
3answers
217 views

triangle like \textcorner

I wish to denote the algebra of all upper triangular matrices by $M_n^\textcorner(K)$ but with $\textcorner$ being a triangle. How can I create this symbol (add additional diagonal line)? My ...
1
vote
0answers
362 views

maketitle error “Missing $ inserted” (accent character)

I am using LaTeX beamer for my presentation. When I use accent character "ľ" in \title, it throw an error Missing $ inserted. I am using \usepackage[utf8]{inputenc}. Funny is, that if I use the same ...
10
votes
3answers
330 views

How can I superimpose a summation operator with its following character?

How can I create the following symbol? PS: It is not the classic \sum_{i=0}^n k
0
votes
1answer
135 views

How to get a curved arrow pointing left and right? [duplicate]

I need something like $\curvearrowright$, but pointing in both directions. This is for a commutative diagram. Thank you!
11
votes
3answers
413 views

Looking for a specific symbol used in set theory, can't find on detexify

I'm looking for a specific symbol for typesetting my lecture notes in logic and set theory. The character is used to define a new set from two existing sets alpha and beta (which are ordinals): ...
7
votes
1answer
106 views

What does “@” at the beginning of a command name mean? [duplicate]

The answers to this question mention commands such as \@author and \@director, and latex.ltx is full of them. However, when I use \@author in my document, it just outputs the word "author". What does ...
2
votes
1answer
82 views

How can I write the number set of positive rationals in LaTeX2e?

How to write this in latex2e, the set of all rational numbers.
19
votes
3answers
38k views

How to do the 'curvy L' for Lagrangian or Laplace Transforms?

I am new to TeX, working on it for about 2 months. Have not yet figured out how to script the 'curvy L' for Lagrangian and/or for Laplace Transforms. As of now I am using the 'L' - which is not good! ...
6
votes
2answers
117 views

Rotating Mathematical Symbols without losing quality

I need to use the symbol \subsetneq rotated by 45 degrees. I can obtain the required symbol with \rotatebox[origin=c]{45}{$\subsetneq$} or equivalently with \begin{rotate}{45} $\subsetneq$ ...
49
votes
3answers
54k views

What is the LaTeX command for “em dash” (—)?

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?
1
vote
2answers
176 views

Delta-equal to symbol [duplicate]

How do you write the equal-to symbol with delta on top ("delta-equal to")? One similar to http://www.decodeunicode.org/de/u+225c. Are special packages required for that? It is supposed to be used for ...
7
votes
1answer
189 views

© not handle correctly by a verbatim

Is there a reason why the following verbatim section doesn't work as expected: \begin{verbatim} © copyright blahblah ..... \end{verbatim} In fact I get: Âl’ copyright blah blah Instead of the ...
4
votes
2answers
110 views

Designing medcirc and circledtimes symbols

It would be great to use only \medcirc and \circledtimes from the pxfonts or to design the similar symbols by other techniques. The symbols from pxfonts are quite well but when I connect the ...
5
votes
2answers
227 views

Capital Omega problem, I can not renewcommand it

I want to change all the \Omega in my paper into \varOmega, but always receive an error information. Here is the details. I have add the line in the preamble \renewcommand{\Omega}{\varOmega} when I ...
2
votes
1answer
133 views

“greater than” and “less than” not showing up in compiled document

I try to write a inline formula including a greater than sign: $A < B$ If I use the above formula in an empty document it works fine, but in my full document it will just not show up. But I can ...
4
votes
2answers
136 views

ZephGreek and ZephText

Greetings to all TeX lovers! I have been reading Xenophon's "Cyrus' Anabasis" these days in my free time. The book is from the Loeb Classical Harvard Library. Usually I use Garamond to write my ...
3
votes
2answers
2k views

surface integral

I can do a path integral like this: $$\oint \limits_{C(S)} fd{\textbf l}$$ But how can I do a surface integral? The output should look something the surface integrals below, but hopefully better: ...
3
votes
2answers
235 views

XeLaTeX Double closed path integral? [duplicate]

How can I write a double closed path integral? I have searched and I have found only single closed loop integral.
4
votes
2answers
144 views

Problem with symbol [duplicate]

I am trying to write a math paper, and I need to write the following symbol: $\overline{\underline{X}}$ Is there any package that already contains it?
3
votes
1answer
670 views

Why can't I get a D with stroke?

The Comprehensive Latex Symbol list tells me that I can't get Đ with OT1 using the command \DJ, and that I need T1 font encoding. When I use [T1]{fontenc} in the preamble, this doesn't work either. ...
0
votes
0answers
30 views

what is the command for + on top of - [duplicate]

I would like to have + on top of -, I used stackrel, overset, underset, but nothing is close to what I see in textbooks, is there a specific command that places the + very close to the - underneath?
3
votes
1answer
149 views

What to do when AMS and MnSymbol packages conflict on an arrow?

I need to use two arrows, one from MnSymbol and one from amssymb (\rightsquigarrow); unfortunately, MnSymbol redefines this command to produce its own version (which I don't want). Is there a way to ...
7
votes
2answers
160 views

Create a resizable symbol?

Some symbols can be resized automatically with \middle when placed between a \left. and a \right. They can usually also be resized using \big or \bigg. Examples of such symbols are |and / and pretty ...
8
votes
3answers
4k views

How to draw the “parallel circuits” sign “//”?

I remember seeing the notation "R1 // R2" in electronics books, meaning "(R1^-1 + R2^-1 )^-1", i.e. the resistance of R1 and R2 connected in parallel. What is the correct way of typesetting the "//" ...
4
votes
1answer
80 views

Double slashes close together with resizing

I basically want this symbol, but I want it to resize properly: While X/\mkern-6mu/H looks good, when I try to resize using \biggl, then the horizontal space between the two slashes becomes very ...
41
votes
4answers
44k views

How to type special/accented letters in LaTeX?

How to type these special letters from European languages in latex? ä, é, and L'?
8
votes
1answer
4k views

size and location of cube root symbol [duplicate]

Possible Duplicate: Nice-looking p-th roots On math.stackexchange I wanted the cube root of a fraction in display mode, and used $$\sqrt[3]{\frac ab}$$ to get it. The 3 comes out very ...
66
votes
3answers
97k views

Absolute Value Symbols

What is the "best LaTeX practices" for writing absolute value symbols? Are there any packages which provide good methods? Some options include |x| and \mid x \mid, but I'm not sure which is best...
6
votes
2answers
190 views

How to redefine the section symbol (§)?

I'm trying to redefine the section symbol (§) so that it automatically places a space after it. When inserting the symbol in text, I typically write \S{} Section Number which gets me the spacing ...
7
votes
3answers
274 views

Designing a new tuple of Algebra Operators

It's neccessary to have at least two extra tuples of Albera Operators. A minimal tuple is a triple (to_be_subset_eq, meet_operator, join_operator). There are some ideas how to make 2 extra tupes. ...
21
votes
2answers
793 views

Percent sign in a box

Is it possible to make a symbol which is a % inside a square box? I would like to use it to represent the function f(n,m) = n-(n % m). As in n symbol m. Or... is there a better idea for this ...
1
vote
2answers
110 views

Is there a painless way to get self-loop decorations on mathematical symbols?

In mathematics, we often write X \rightarrow Y to mean a function from X to Y. Now I'd like to denote a function from X to X via a looping-arrow decoration on the top right-hand corner of X. Is ...