{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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0
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1answer
49 views

Symbol which looks like $\oint$ which marks the beginning of a section/chapter? [duplicate]

How do I make the symbol which looks like $\oint$ which marks the beginning of a section/chapter? Much thanks in advance.
13
votes
4answers
8k views

A short hyphen in a math formula

In a LyX math formula, I want to write something like "r-number". However, the usual dash looks too long (like a minus sign). I am looking for a short, possibly upper hyphen. I couldn't find it in the ...
1
vote
1answer
223 views

Define new mathematical notations in Latex

I need to define some new notations in Latex. I have attached a figure that mentioned them. Is that possible to define them?
2
votes
1answer
55 views

Placing symbol in margin

I am using \def\margin_symbol{\rlap{\protect\makebox[-3cm]{X}}} which I use in sections as \section{\margin_symbol My Header} to place an X 3cm to the left in the margin; however, my problem is ...
3
votes
3answers
158 views

Apostrophe placement issue

I'm trying to typeset word form DARPA's and I'm experiencing some issues with spacing the apostrophe in relation to the neighboring letters. In particular, if I just use the text as is, LaTeX places ...
1
vote
1answer
31 views

Displaying $\chi_{A}$ properly? [duplicate]

\documentclass{amsart} \begin{document} $\chi_{A}$ $\chi_{S_{i}}$ \end{document} I found that the $A$ in $\chi_{A}$ does not look like a subscript; it seems too large. This problem becomes more ...
1
vote
0answers
18 views

How to write pipe in text in LaTeX? [duplicate]

Minimal example: \documentclass{article} \begin{document} Helloworld this is a very long sentence Helloworld this is a very long sentence Helloworld this is a very long sentence Helloworld this is a ...
7
votes
3answers
184 views

How can I use or represent special characters like \ and { inside \csname…\endcsname?

I want to \def a macro with a name that represents arbitrary string data, including the \, { and } characters. My initial approach was to use \textbackslash and \{ to test that I could do this. But ...
4
votes
1answer
67 views

Adjust size and placement of \diameter symbol

I'm trying to match the size and placement of \diameter (from wasysym) with that of \circ. I want the two symbols horizontally aligned with the same size circle. Any suggestions? MWE: %XeLaTeX ...
22
votes
11answers
2k views

What useful web services are out there?

Looking at this question, I wonder what good and useful web services are out there. For example the LaTeX symbol classifier looks interesting. You can draw a symbol with your mouse and get back the ...
18
votes
2answers
46k views

How to make the limit (mathematics) sign?

I want to learn how to make the limit sign. For example, take 'Limit of f(x) as x approaches 2 is 5' , how to make this?
5
votes
1answer
98 views

How do I draw a circle around a term in an align* equation?

Here's what my equation looks like; it's in an align* environment: I want to put a circle around $\varepsilon \frac{dL}{d\varepsilon}$ and everything else unchanged. Q: How do I draw a circle ...
6
votes
3answers
644 views

circled “less than or equal to” symbol

Is there a better way than: \mathlarger{\bigcirc}\hspace{-3mm}\mathsmaller{<} which, though, mathjax does not seem to like (Ignore the last line which caused confusion. Also, instead of < I ...
4
votes
1answer
76 views

Math symbols in text mode

I need to write a text which contains some math symbols. In detail those include \rightarrow, \forall and \exists. I know I can switch into math mode with the $ symbol, but I have quite a lot of text ...
2
votes
2answers
98 views

Setminus strange behaviour

I want to write: the set of real numbers minus set {0, 1}. This is how I try: \mathbb{R} \setminus\{0,1\} And the outcome is in the picture... It seems \mathbb{R}$ $\setminus\{0,1\}$ solves the ...
1
vote
1answer
130 views

Is there a \widecheck like \widehat?

I read that we can get the function of "widecheck" by importing the \widecheck command from the mathabx (Is there a way to do an "upside down" \widehat?), but I do not want to do that since ...
26
votes
3answers
12k views

Latest advice on the euro symbol

I know there are many packages that offer the euro symbol (€). But which is the best implementation? I read something a couple of years ago [which I can't now find] that assessed the option. But even ...
0
votes
1answer
44 views

How to make own character map?

Is it possible in miktex, or texlive to manually store own characters, for example hiragana letters, in some text file and when we use the character it will look for it in file and display in pdf? I ...
1
vote
2answers
76 views

tfrupee prints bold symbol

Here is the MWE: \documentclass{article} \usepackage{tfrupee} \begin{document} This is a \rupee{} symbol This is a \rupee symbol \textbf{This is a \rupee{} symbol} \textbf{This is a \rupee ...
0
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0answers
33 views

Cyrillic alphabets

When I open my TEX-file it can't display a cyrillic symbols but some symbols of other encoding so I can't read this text. How to make them be displayed correctly?
3
votes
2answers
38 views

How do I get filled black < and \leq while using the MnSymbol package?

Some time ago I posted the question How do I get filled black < and \leq? and got a very useful answer which I accepted. However, my \bleq only fills 95% with black, and the author of the answer ...
4
votes
2answers
80 views

Breqn package is causing \mathcal to not work when used along with \overset

I am trying to place \mathcal{U} over and under the symbol \gtrless using the following code: $\overset{\mathcal{U}_0}{\underset{\overline{\mathcal{U}_0}}{\gtrless}}$ However, what I am seeing is ...
0
votes
1answer
88 views

Creating curvy symbol for letter 'l' [duplicate]

I am using a formula where I have to use $\boldsumbol l$. However on the slide, it looks like the letter capital I. How can I have a nice curvy version to denote vector l?
35
votes
2answers
36k views

Big integral sign

Is there a possibility to draw large integral signs? I have found the package bigints but I have the feeling it is not very professional... Any better idea?
5
votes
3answers
7k views

Is there a standard symbol for conditional independence?

I have found this symbol defined as: \def\ci{\perp\!\!\!\perp} on the wikipedia page for Conditional Independence. There's this from the Comprehensive LaTex Symbol List page 106: Donald ...
3
votes
2answers
189 views

Notation of derivative of theta 1 squared?

I want to get the square of the derivative of theta 1. There are two options as far as I can see: \dot{\theta}_1^2 or \dot{\theta_1}^2 They produce different outputs. First one seems neater ...
1
vote
2answers
95 views

Apostrophe's not displaying under Mac OS

This is the MacOS's Texshop disappearing apostrophe problem. % !TEX encoding = UTF-8 Unicode is added to the document preamble. Within the program: Preferences=>Source is set to UTF8. ...
9
votes
1answer
402 views

Using computer modern \rightarrow with fourier font

I am using the fourier font in a LaTeX document, but instead of the \rightarrow that fourier provides, I need the Computer Modern right arrow. For example, I need instead of: I have tried using ...
0
votes
0answers
37 views
88
votes
4answers
191k 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...
3
votes
3answers
4k views

How can I put musical clefs in the middle of text?

I'm setting a document that includes some music; I'm using lilypond-book for the musical examples. However, there are some points where the author has inserted a musical symbol in the text; I'm using ...
1
vote
0answers
69 views

Matplotlib symbols

I have recently drawn up a lot of plots in Python (matplotlib), but then I realized that I couldn't find their LaTeX equivalents. I am specifically looking to generate circle, square, and diamond ...
4
votes
1answer
128 views

Combine universal and existential quantfiers

I want to combine the existential and universal quantifiers so that the left part of the universal quantifier match the right of the existential. To do so I defined the command: ...
3
votes
5answers
179 views

A symbol in LaTeX [duplicate]

I want to write this symbol in LaTeX. I looked for it on Detexify and some code-lists but found nothing. EDIT: I want the arrows and also the letters (general inputs in that place) Thanks!
1
vote
1answer
44 views

Unknown symbol - how to create it with Latex [duplicate]

I'm searching for a way to create the attached character in LaTeX. It's not the one that is created with \mathbb{R}as this creates double strokes for each line and not just the leading one. The image ...
5
votes
4answers
7k views

Alternatives to asterisk and star for superscripts

While writing a paper, I find myself exhausted with superscript symbols to denote similar types of variables. I have used x, x^\ast (i.e. x*), x^\star and x'. I can't use symbols which sit right on ...
0
votes
0answers
47 views

How can I print \twonotes from wasysym?

When I try to compile the following example with pdftex, I get: pdflatex symbol.tex -output-format=pdf This is pdfTeX, Version 3.14159265-2.6-1.40.15 (TeX Live 2014) (preloaded format=pdflatex) ...
1
vote
2answers
98 views

How to custom symbol from LaTeX symbol?

\bigtriangledown creates How to fill color and remove the black boundary so that I can create a customed symbol similar to this:
3
votes
2answers
155 views

LaTeX symbol “ ·; ”

I'm new to LaTeX, and I have no idea how to type this ·; in LaTeX. Appreciate very much if anyone can help me.
16
votes
4answers
1k views

Smartphone symbol for pdfLaTeX

I want to use a smartphone symbol. Naturally, I went to How to look up a symbol or identify a math symbol or character?, but I wasn't able to find any smartphone look-alike (only old phones, and the ...
4
votes
2answers
226 views

Can you provide a link to a font or typeface containing a double bar dollar sign? [duplicate]

Can anybody refer me to a font file or typeface that contains the proper US dollar sign? A problem with most typefaces is that they contain a generic dollar sign, containing a single vertical bar. A ...
3
votes
2answers
525 views

Any recommended font for better looking dollar symbol?

Is there a good way to have a better looking dollar symbol \$ without altering the fonts of the rest of the text? The \$ in a default template just looks very dull. I would prefer to have a Fraktur ...
331
votes
13answers
50k views

How to look up a symbol or identify a math symbol or character?

I know what my symbol or character looks like, but I don't know what the command is or which math alphabet it came from. How do I go about finding this out?
0
votes
1answer
54 views

How to type this math symbol? [duplicate]

I've got to type this symbol in my article. I've searched through Internet but haven't seen anything about how to write it in TeX command. It is perhaps rarely seen or used. But I really need to use ...
3
votes
1answer
55 views

Typing the symbol “&” in place of “and”

While writing the reference in .bib file, I want to mention the address of publication of the book which contains "&" symbol. While executing the main.tex file I am getting error as "! Misplaced ...
4
votes
1answer
54 views

I-macron without space [duplicate]

I want to write the name Ibn-Sīnā with macrons over the i and the a. I found out that can I add macrons using \=a and that I need \=i\ to avoid the dot over the i. When I write Ibn-S\=i\n\=a I get ...
7
votes
1answer
66 views

How to insert a # via \immediate\write18 within a macro

It seems that using \immediate\write18{echo "\string#!/bin/bash (version 1)" > \jobname.command}% outside of a \newcommand works great. However, I want to invoke within a \newcommand: ...
1
vote
2answers
72 views

How can I typeset the following symbol for beep in multimeter (code)?

How can I typeset the following symbol for beep in multimeter?
3
votes
2answers
263 views

Typing the Pinyin third tone accent for character that denotes “woman”

Who knows how to type 女 in Pinyin, utilizing a LaTeX command? That is curve tone and the two dots.
3
votes
1answer
128 views

What does symbol ~ do in Latex?

I noticed this symbol in an example. Including or excluding this from the source doesn't change anything. However, if I include \~, it puts a ~ on the first letter of the next word. So, what could be ...