{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.

learn more… | top users | synonyms (3)

3
votes
2answers
1k 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
87 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
132 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
590 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
95 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
136 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
62 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 ...
38
votes
4answers
34k views

How to type special/accented letters in LaTeX?

How to type these special letters from European languages in latex? ä, é, and L'?
11
votes
2answers
168 views

Is there such a thing as a `\mathrule`? (rounded endcaps)

When I am creating hybrid math glyphs, I will find myself often times stacking \rules about the place. But if you look at a collection of CM math symbols (top row), and compare it to a \rule (2nd ...
12
votes
4answers
774 views

Where can I find on/off symbol?

Where do I find the on/off symbol of electronics?
8
votes
1answer
3k 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 ...
63
votes
3answers
80k 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
138 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
242 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
725 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
96 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 ...
11
votes
2answers
352 views

conventional temperature symbol

Looking for a symbol for the thermodynamic concept of conventional Temperature corresponding to \SI{298.15}{\kelvin} or \SI{25}{\Celsius} it is basically an uppercase T with a lowercase c overlaying ...
66
votes
7answers
22k views

Correctly typesetting a tilde

How do I set the tilde (~) character correctly in LaTeX? There’s a question discussing that on Stack Overflow, with a lot of answers. But dare I say it? They all suck: \textasciitilde is too high, ...
6
votes
1answer
64 views

How to make a command for a circled letter to work with all font sizes?

I introduced the following macros \newcommand{\malcev}{\mathop{\text{\textcircled{\scriptsize M}}}\nolimits} \newcommand{\imalcev}{\mathop{\text{\textcircled{\tiny M}}}\nolimits} The code \[ ...
5
votes
2answers
54 views

Changing the height of a symbol

I would like to make a shorter version of $\sqcup$ to use as a symbol for a Turing machine if possible. The first picture is the height I would like it to be and the second is the default height.
0
votes
0answers
18 views

Place figure just as you would a glyph/character [duplicate]

I would like to use a figure inline - and by that I literally mean having it inside the line of text. I want to display it in parentheses to illustrate what symbol I am referring to - these symbols ...
3
votes
0answers
29 views

Unicode Symbols [duplicate]

How do I use TeX to generate the Atom symbol? I tried the following code in XeLaTeX: \documentclass{article} \usepackage{fontspec} \usepackage{dejavu} \begin{document} \symbol{"269B} ...
4
votes
2answers
104 views

Flushright square mark

I write the codes below to get a square as if to say q.e.d. $$equation$$\textbox{\hfill\square} Text\textbox{\hfill\square} I want the square at the right extreme of the same line. I succeed only ...
1
vote
0answers
49 views

Hyphen between page number gets (blured/diluted) in reference when viewing

Title says this weird problem. The hyphen in the end, between the page number 770-808, gets blurred and diluted. (In this case, if I select and paste in somewhere else, 770808 will show and the hyphen ...
1
vote
0answers
46 views

how to get something like: “ℓ1-Norm” [duplicate]

It's very common to use L_{1} as norm symbol. But it doesn't look like as nice as "ℓ 1". I'm wondering how can I get "ℓ1" using Latex.
15
votes
5answers
1k views

How to print a warning sign (triangle with exclamation point)?

I am interested in including a triangle with an exclamation point (unicode #9888: ⚠) in a tex document. I've looked in the usual places (detexify, etc.) and not found this symbol. The document should ...
1
vote
0answers
51 views

How to beautify '+' sign [duplicate]

I am writing a document with LaTeX covering the basics of programming with C++ and unfortunately the '+' signs look kind of ugly to me: They seem to be too big, too thin (regarding the rest of the ...
3
votes
1answer
63 views

Mathematical letter symbols [duplicate]

How I will be able to get the symbols in LaTeX?
6
votes
3answers
192 views

Special sign \pounds changed to dollar sign in alignment surrounding

I am writing a beamer and use \begin{align*} \pounds^i_M etc. \end{align*} on a slide. The pounds sign then changes to a dollar sign. How do I write to get the pounds sign? ...
4
votes
1answer
60 views

Make all footnotes numbered subsequently, but one with a symbol

I was wandering if there's a way to make only one footnote appear with a symbol (*) instead of the number. Thanks!!!
2
votes
1answer
113 views

delimiters and accents in WinEdt 8.1

I have just downloaded WinEdt 8.1. In the toolbar I do not find all the commands to type delimiters like {, that we use when typing latex commands? I do not find the accents too. Thank you
5
votes
2answers
209 views

How to get the the dot symbol in Chemistry?

How to get this dot in the picture?
0
votes
1answer
44 views

finding out HTML equivalents of latex math symbols

Unlike the other unresolved questions about painless latex to HTML conversion, I just want to know the conversions for math symbols. For example, when I give \Leftrightarrow as input to that ...
5
votes
4answers
168 views

How to draw backslash in a certain way

I know there are fair number of questions that have been asked before on how to typeset a backslash; but I am looking for a specific placement of \ as shown below: I tried \diagdownbut I am not able ...
11
votes
4answers
251 views

Making variations of \boxed

I have to typeset certain formulas, and the notation involves stretchable boxes, pretty much like \boxed{X} makes, but occasionally I need to add a hat below and/or above, as the picture shows: ...
6
votes
1answer
91 views

Libertine + newtxmath gaps in big brackets

I have a problem when combining Libertine with newtxmath. When using large brackets in equations the brackets have strange gaps. \documentclass[fontsize=12pt,DIV=12,oneside,a4paper]{scrreprt} ...
54
votes
8answers
32k views

What's the best way to write e-mail addresses?

When trying to write an e-mail address, there are always problems with the @ sign. Solutions I've seen suggested are using some verbatim environment (more difficult in footnotes) and using a ...
1
vote
1answer
58 views

“P” symbol for notation of a plane in LaTeX

My professor uses this semi-cursive P for the notation of a plane in LaTeX, though I cannot seem to locate it. I used Detexify, but no luck. Any ideas?
2
votes
1answer
91 views

Why we can not use \< to specify \textless

Less than and more than can be specified by using \textless and \textgreater. Why we can not use something like \< or \>? Won't it be much easier?
2
votes
1answer
100 views

How many math symbols in TeX

This question is a little vague, but I'd like to ask total number of math symbols in TeX (or we can say amsmath?). I cannot find information in ftp://ftp.ams.org/pub/tex/doc/amsmath/amsldoc.pdf ...
3
votes
2answers
120 views

ConTeXt: How to redefine the euro sign glyph?

Introduction I am writing a document using the TeX Gyre Pagella font. Unfortunately, the glyph for the euro sign (UTF-8 character U+20AC) in this font does not comply with the official euro sign ...
2
votes
1answer
64 views

LaTeXing cup product over an indexed set [duplicate]

\[\smile_{i\in I}\alpha_i\] I write this code and the summation variable i comes as subscript, to the right of the smile (cup product symbol in algebraic topology). I wish to have the index i ...
3
votes
1answer
126 views

Equation without any symbols

I got a strange Problem while writing on my bachelor thesis. If i set up a equation the result is displayed without any mathematic symbols. For example: \begin{equation} \frac{2 + ...
2
votes
0answers
28 views

Ignore math symbols (want underscore in regular text) [duplicate]

I want to include the following expression without any changes in my LaTeX document: RES_0.5_SE_5 If I just type like that, LaTeX wants it to be math mode because of the underscores. If I use ...
3
votes
2answers
111 views

Latex command for unfilled \bigstar

\bigstar produces a black star. What is the LaTeX command for white or unfilled \bigstar? The unicode-math package has a command \bigwhitestar, but I am not able to use it in the usual way. When I ...
3
votes
3answers
92 views

Latex command for plus-over-cross

I want to use the symbol 'plus-over-cross' to refer to point in a Matlab generated figure. In LaTex terms this will be an overlay of + over \times. Any ideas? Note that I do not want the asterisk ...
6
votes
1answer
230 views

Is there a (standard) font with a literal end-of-line character in it?

For ... complicated ... reasons (which I'll explain in a moment), I want to be able to put a literal end-of-line character in my document. Simply putting ^^J results in an Ω. Looking at the ...
9
votes
1answer
86 views

What is the cleanest way to adjust the dimensions (height, depth, width to the left and right) of a symbol?

Every once in a while the nominal (i.e. declared) dimensions of a symbol are not identical to the actual ones. This can be intentional or not, but sometimes it is inconvenient. The dimensions of ...