\href{http://address}{text} create a hypertext anchor (link text to http://address)
\special{html:stuff} inserts HTML stuff
%%tth: ... passes the rest of the comment to TtH (not TeX) for parsing

Normal ASCII input is interpreted in text mode and T_EX commands starting with the backslash character \ are used for formatting. Mathematical symbols are typed in math mode delimited by two dollar signs ($\partial_t f$ yields ¶_t f) or in an equation of the form

\begin{equation}\label{advection} \frac{d}{dt}f \equiv \frac{\partial f}{\partial t} +u\frac{\partial f}{\partial x}=0 \end{equation}

yields

d dt f º ¶f ¶t + u ¶f ¶x = 0 (1)

where ( ef{advection}) yields (1) and can be used for reference within the document.

Special characters and accents (text mode)

$   $	&   \&	%   \%	#   \#	{   {	}   \}	_   \_
é   \'{e}	è   \`{e}	ê   \^{e}	ë   "{e}	c   \c{c}
f   \dag	f   \ddag	§   \S	¶   \P	©   \copyright	£   \pounds

Character type and size (text and math mode)

Rom    extrm{}	Ital    extit{}	Bold    extbf{}	CAPS    extsc{}	Type    exttt{}	SSrf    extsf{}
Rom   \mathrm{}	Ital   \mathit{}	Bold   \mathbf{}	Cal   \mathcal{}	Type   \mathtt{}	SSrf   \mathsf{}
tiny    iny{}	small   \small{}	normal    ormalsize{}	large   \large{}	Large   \Large{}	huge   \huge{}

Greek letters (math mode)

a  \alpha	b  \beta	g  \gamma	d  \delta	e  \epsilon	e  \varepsilon	z  \zeta	h  \eta
q   heta	J  \vartheta	i  \iota	k  \kappa	l  \lambda	m  \mu	n   u	x  \xi
o   o	p  \pi	v  \varpi	r   ho	r  \varrho	s  \sigma	V   \varsigma	t   au
u  \upsilon	f  \phi	j  \varphi	c  \chi	y  \psi	w  \omega
G  \Gamma	D  \Delta	Q  \Theta	L   \Lambda	X  \Xi	P  \Pi	S  \Sigma	U  \Upsilon
F  \Phi	Y  \Psi	W  \Omega

Binary operation and relation symbols (math mode)

±  \pm	-±  \mp	×   imes	¸  \div	*  \ast	°  \circ	·  \bullet	·  \cdot
Ç  \cap	È  \cup	f   \dagger	f   \ddagger	£   \leq	³   \geq	<<   \ll	>>   \gg
Ì   \subset	É   \supset	Í   \subseteq	Ê   \supseteq	Î   \in	'    i	º   \equiv	»   \approx
~   \sim	@   \simeq	¹    eq	µ   \propto	^  \perp	|   \mid	||  \parallel

Arrows and miscellaneous symbols (math mode)

¬   \leftarrow	®    ightarrow	Ü   \Leftarrow	Þ   \Rightarrow	«   \leftrightarrow	Û   \Leftrightarrow
­   \uparrow	¯   \downarrow	Ý   \Uparrow	ß   \Downarrow	®   \mapsto	À  \aleph
(h/2p)   \hbar	i  \imath	l  \ell	à \wp	  \Re	Á  \Im
¢  \prime	Æ  \emptyset	Ñ   abla	Ö  \surd	||   \|	Р \angle
"  \forall	$  \exists	\  \backslash	¶  \partial	¥  \infty
§  \clubsuit	¨  \diamondsuit	©  \heartsuit	ª  \spadesuit

Operations and functions (math mode)

å  \sum	Õ  \prod	ò  \int	(ò)  \oint	Öa   \sqrt{a}	ab    a^{b}	aij    a_{ij}		sinh  \sinh
arccos  \arccos	cos  \cos	arcsin  \arcsin	sin  \sin	arctan  \arctan	tan   an	arg  \arg	cot  \cot	cosh  \cosh
det  \det	dim  \dim	exp  \exp	lim  \lim	ln  \ln	log  \log	max  \max	min  \min	tanh   anh
a b	\frac{a}{b}

Sections and paragraphs

1    \section{}