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The Comprehensive LaTeX Symbol List (>1 MByte!)

Rotated symbol

To get a rotated iota:

\def\rotiota{\rotatebox[origin=C]{180}{$\iota$}}

tally Symbol

Extensible Left/Rightarrow
It is nearly the same than the builtin \xrightarrow and \xleftarrow only for double lines.

Special Symbols
\newcommand{\eqdef}{\ensuremath{\stackrel{\mbox{\upshape\tiny def}}{=}}}

Checkboxes
Write in LaTeX preamble

\usepackage{wasysym}
\newcommand\myYN{$\stackrel{\mathrm{Y}}{\Box}\qquad\stackrel{\mathrm{N}}{\Box}\quad$}

than you can use the command \myYN to create Yes-No ckeckboxes like the following one:

There are some more information about package wasysym

Another type of checkboxes:

circle with text in it

Symbols for Set of R,N,Q,C
put in latex preamble:

\newcommand{\R}{{\sf R\hspace*{-0.9ex}\rule{0.15ex}%
       {1.3ex}\hspace*{0.9ex}}}
\newcommand{\N}{{\sf N\hspace*{-1.0ex}\rule{0.15ex}%
       {1.1ex}\hspace*{1.0ex}}}
\newcommand{\Q}{{\sf Q\hspace*{-1ex}\rule{0.15ex}%
       {1.3ex}\hspace*{1.1ex}}}
\newcommand{\C}{{\sf C\hspace*{-0.9ex}\rule{0.15ex}%
       {1.3ex}\hspace*{0.9ex}}}

to get the following Set-Symbols

Using package dsfont is also possible. in Latex preamble \usepackage{dsfont} and than in the text $\mathds{R}$ .

You can also download a special font bmgrer. A view of the available symbols is possible. The installation manual is only in german.

A bow with an arrow
A bow with an arrow (left or right) as an accent is possible with the amsmath- and the accent-package. In latex preamble:

\usepackage{amssymb}
\usepackage{accents}
\newcommand{\rightBow}[1]{\accentset{\curvearrowright}{#1}}
\newcommand{\leftBow}[1]{\accentset{\curvearrowleft}{#1}}

in your text you can use this accents in mathmode:

This is a leftbow: $\leftBow{\alpha}$

A formula: $A=\rightBow{A}-\leftBow{a}$

Remeber that the bow is an accents, so it can only used for single letters.
The packages amssymb and accents shall be part of your local tex-installation, otherwise you can get in at CTAN

Euro-Symbol

There are several possibilities to get an Eurosymbol:

\usepackage [official] {eurosym}
\catcode`\¤=\active \def¤{\euro{}}
%¤ is the eurosymbol, not visible here

then you can use in the text the euro symbols as usual, like

and LaTeX does the rest.

```
\usepackage{eurofont}
\usepackage{bookman}
```
an example for using in document text :
```
Das Euro-Symbol \euro. Ein Betrag: \euros{500} 
```
With the package bookman the Euro-symbol looks much more better than without bookman . At CTAN you can download package bookman.sty and the PostScript fonts, too.
a non-standard Euro-symbol is possible with package textcomp and
```
\texteuro
```
With package eurosym, available at CTAN. Load all fontfiles and the stylefile. In latex preamble:
```
\usepackage[official]{eurosym}
```
and in text for example: \euro{} \EUR{500}

A script for installing the eurosym package: http://www.alphacent.com/opensource/files/eurosign.tar.gz

Some general Information: http://www.debian.org/doc/manuals/debian-euro-support/ch-applications.en.html

Wie bekomme ich mit LaTeX ein Eurosymbol?

Promille-Symbol

use package textcomp and than \textperthousend or define your own sybol (from TeX-book):

\newcommand{\promille}{%
  \relax\ifmmode\promillezeichen
        \else\leavevmode\(\mathsurround=0pt\promillezeichen\)\fi}
\newcommand{\promillezeichen}{%
  \kern-.05em%
  \raise.5ex\hbox{\the\scriptfont0 0}%
  \kern-.15em/\kern-.15em%
  \lower.25ex\hbox{\the\scriptfont0 00}}

TradeMark-Symbol TM

in latex preamble

\usepackage{textcomp}

in the text

\texttrademark

Visible Space

\textvisiblespace

gives the spacesymbol

. Remember that there must be a space behind the command!

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