La tex symbols

A help for LAtex Symbols

1. LATEXMathematicalSymbols
The more unusual symbols are not dened in base L
ATEX (NFSS) and require\usepackage{amssymb}
1 Greek and Hebrew letters
\alpha \kappa \psi z\digamma \Delta \Theta
eta \lambda ho "\varepsilon \Gamma \Upsilon
\chi \mu \sigma {\varkappa \Lambda \Xi
\delta u au '\varphi \Omega
\epsilon oo heta $\varpi \Phi @\aleph
\eta !\omega \upsilon %\varrho \Pi ieth
\gamma \phi \xi &\varsigma \Psi k\daleth
\iota \pi \zeta #\vartheta \Sigma j\gimel
2 L
ATEX math constructs
abc
xyz
racfabcgfxyzg
abc\overlinefabcg
!
abc\overrightarrowfabcg
f
0
f' abc
\underlinefabcg

abc\overleftarrowfabcg
p abc\sqrtfabcg
c
abc\widehatfabcg
z}|{
abc\overbracefabcg
n
p
abc\sqrt[n]fabcg
f
abc\widetildefabcg abc
|{z}
\underbracefabcg
3 Delimiters
j j f \{ b\lfloor=/ *\Uparrow x\llcorner
j\vertg\} cfloor nackslash "\uparrow y\lrcorner
k\| h\langled\lceil[[ +\Downarrow p\ulcorner
k\Vertiangle eceil ]] #\downarrow q\urcorner
Use the pair\lefts1andights2to match height of delimiterss1ands2to the height of their contents, e.g.,
\left|expright| \left\{ expright\} \left\Vert expright.
4 Variable-sized symbols (displayed formulae show larger version)
P
\sum
R
\int
U
iguplus
L
igoplus
W
igvee
Q
\prod
H
\oint
T
igcap
N
igotimes
V
igwedge
`
\coprod
RR
\iint
S
igcup
J
igodot
F
igsqcup
5 Standard Function Names
Function names should appear in Roman, not Italic, e.g.,
Correct: an(at-n\pi)!tan(atn)
Incorrect:tan(at-n\pi)!tan(atn)
arccos\arccos arcsin\arcsin arctan\arctan arg \arg
cos \cos cosh\cosh cot \cot coth\coth
csc \csc deg \deg det \det dim \dim
exp \exp gcd \gcd hom \hom inf \inf
ker \ker lg \lg lim \lim lim inf\liminf
lim sup\limsup ln \ln log \log max \max
min \min Pr \Pr sec \sec sin \sin
sinh \sinh sup \sup tan an tanh anh

2. 6 Binary Operation/Relation Symbols
\ast \pm \\cap C\lhd
?\star \mp [\cup Bhd
\cdot q\amalg ]\uplus / riangleleft
\circ \odot u\sqcap . riangleright
ullet \ominus t\sqcup E\unlhd
igcirc \oplus ^\wedge D\unrhd
\diamond \oslash _\vee 5igtriangledown
imes \otimes y\dagger 4igtriangleup
\div o\wr z\ddagger n\setminus
\centerdot \Box Zarwedge Y\veebar
~\circledast oxplus f\curlywedge g\curlyvee
}\circledcirc oxminus e\Cap d\Cup
\circleddash oxtimes ?ot > op
u\dotplus oxdot |\intercal iightthreetimes
>\divideontimes \square [\doublebarwedge h\leftthreetimes
\equiv \leq \geq ?\perp

=\cong \prec \succ j\mid
6=eq \preceq \succeq k\parallel
\sim \ll \gg ./owtie
'\simeq \subset \supset on\Join
\approx \subseteq \supseteq n\ltimes
\asymp @\sqsubset A\sqsupset otimes
:
=\doteq v\sqsubseteq w\sqsupseteq ^\smile
/\propto a\dashv `\vdash _rown
j=\models 2\in 3i =2otin
u\approxeq 5\leqq =\geqq 7\lessgtr
s hicksim 6\leqslant >\geqslant Q\lesseqgtr
vacksim /\lessapprox '\gtrapprox S\lesseqqgtr
wacksimeq n \lll o \ggg T\gtreqqless
, riangleq l\lessdot m\gtrdot R\gtreqless
$\circeq .\lesssim &\gtrsim ?\gtrless
lumpeq 0\eqslantless 1\eqslantgtr ackepsilon
m\Bumpeq -\precsim %\succsim Getween
+\doteqdot w\precapprox v\succapprox t\pitchfork
t hickapprox b\Subset c\Supset p\shortmid
;allingdotseq j\subseteqq k\supseteqq a\smallfrown
:isingdotseq @\sqsubset A\sqsupset `\smallsmile
_\varpropto 4\preccurlyeq <\succcurlyeq \Vdash
) herefore 2\curlyeqprec 3\curlyeqsucc \vDash
*ecause Jlacktriangleleft Ilacktriangleright \Vvdash
P\eqcirc E rianglelefteq D rianglerighteq q\shortparallel
6=eq C\vartriangleleft B\vartriangleright /shortparallel
cong leq geq *subseteq
-mid leqq geqq +supseteq
,parallel leqslant geqslant "subseteqq
.shortmid less gtr #supseteqq
/shortparallel prec succ (\subsetneq
sim preceq succeq )\supsetneq
3VDash \precnapprox \succnapprox $\subsetneqq
2vDash \precnsim \succnsim %\supsetneqq
0vdash \lnapprox \gnapprox \varsubsetneq
6triangleleft \lneq \gneq !\varsupsetneq
5trianglelefteq \lneqq \gneqq &\varsubsetneqq
7triangleright \lnsim \gnsim '\varsupsetneqq
4trianglerighteq \lvertneqq \gvertneqq

3. 7 Arrow symbols
\leftarrow \longleftarrow "\uparrow
(\Leftarrow (=\Longleftarrow *\Uparrow
!ightarrow !\longrightarrow #\downarrow
)\Rightarrow =)\Longrightarrow +\Downarrow
$\leftrightarrow ! \longleftrightarrow l\updownarrow
,\Leftrightarrow () \Longleftrightarrow m\Updownarrow
7!\mapsto 7!\longmapsto %earrow
-\hookleftarrow ,! \hookrightarrow &\searrow
(\leftharpoonup * ightharpoonup .\swarrow
)\leftharpoondown + ightharpoondown -warrow
ightleftharpoons \leadsto
99K\dashrightarrow L99\dashleftarrow \leftleftarrows
\leftrightarrows W \Lleftarrow woheadleftarrow
\leftarrowtail " \looparrowleft \leftrightharpoons
x\curvearrowleft \circlearrowleft \Lsh
\upuparrows \upharpoonleft \downharpoonleft
( \multimap ! \leftrightsquigarrow ightrightarrows
ightleftarrows ightrightarrows ightleftarrows
woheadrightarrow ightarrowtail #\looparrowright
ightleftharpoons y \curvearrowright \circlearrowright
\Rsh \downdownarrows \upharpoonright
\downharpoonright ightsquigarrow
8leftarrow 9 rightarrow :Leftarrow
;Rightarrow = leftrightarrow <Leftrightarrow
8 Miscellaneous symbols
1\infty 8 orall |\Bbbk }\wp
rabla 9 \exists Figstar \\angle
@\partial @ exists \diagdown ]\measuredangle
g\eth ; \emptyset \diagup ^\sphericalangle
|\clubsuit ? \varnothing \Diamond {\complement
}\diamondsuit {\imath `\Finv O riangledown
~\heartsuit |\jmath a\Game 4 riangle
\spadesuit `\ell ~\hbar M\vartriangle
\cdots
RRRR
\iiiint }\hslash lacklozenge
.
.
.\vdots
RRR
\iiint \lozenge lacksquare
: : :\ldots
RR
\iint f\mho Nlacktriangle
.
.
.\ddots ]\sharp 0\prime Hlacktrinagledown
=\Im [lat \square 8ackprime
<\Re \atural
p
\surd s\circledS
9 Math mode accents
a\acutefag aarfag


A\Acute{\Acute{A}}

A\Bar{\Bar{A}}
arevefag a\checkfag


A\Breve{\Breve{A}}

A\Check{\Check{A}}
a\ddotfag _a\dotfag

A\Ddot{\Ddot{A}}
__
A\Dot{\Dot{A}}
a\gravefag ^a\hatfag


A\Grave{\Grave{A}}
^
^
A\Hat{\Hat{A}}
~a ildefag ~a\vecfag
~~
A\Tilde{\Tilde{A}}
~
~
A\Vec{\Vec{A}}

4. 10 Array environment, examples
Simplest version: egin{array}{cols}row1\row2\. . .rowm\end{array}
wherecolsincludes one character [lrc] for each column (with optional characters|inserted for vertical lines)
androwjincludes character&a total of (n1) times to separate thenelements in the row. Examples:
\left( egin{array}{cc} 2 au & 7\phi-frac5{12} \
3\psi & rac{\pi}8 \end{array} ight)
\left( egin{array}{c} x \ y \end{array} ight)
\mbox{~and~} \left[ egin{array}{cc|r}
3 & 4 & 5 \ 1 & 3 & 729 \end{array} ight]

27
5
12
3

8

x
y

and

3 4
5
1 3
729

f(z) = \left\{ \begin{array}{rcl}
\overline{\overline{z^2}+\cos z} & \mbox{for}
& |z|<3 \ 0 & \mbox{for} & 3\leq|z|\leq5 \
\sin\overline{z} & \mbox{for} & |z|>5
\end{array}ight.
f(z) =
8
<
:
z
2
+ coszforjzj<3
0 for 3 jzj 5
sin
zforjzj>5
11 Other Styles (math mode only)
Caligraphic letters:$\mathcal{A}$etc.:A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Mathbb letters:$\mathbb{A}$etc.:A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Mathfrak letters:$\mathfrak{A}$etc.:A B C D E F G H I J K L M N O P Q R S T U V W X Y Z a b c 1 2 3
Math Sans serif letters:$\mathsf{A}$etc.:A B C D E F G H I J K L M N O P Q R S T U V W X Y Z a b c 1 2 3
Math bold letters:$\mathbf{A}$etc.:A B C D E F G H I J K L M N O P Q R S T U V W X Y Z a b c 1 2 3
Math bold italic letters: dene\def\mathbi#1{ extbf{\em #1}} then use$\mathbi{A}$etc.:
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z a b c 1 2 3
12 Font sizes
Math Mode:
Z
f
1
(xxa)dx ${\displaystyle \int f^{-1}(x-x_a)\,dx}$
R
f
1
(xxa)dx ${ extstyle \int f^{-1}(x-x_a)\,dx}$
R
f
1
(xxa)dx ${\scriptstyle \int f^{-1}(x-x_a)\,dx}$
R
f
1
(xxa)dx ${\scriptscriptstyle \int f^{-1}(x-x_a)\,dx}$
Text Mode:
iny=smallest
\scriptsize=very small
ootnotesize=smaller
\small=small
ormalsize= normal
\large=large
\Large=Large
\LARGE=LARGE
\huge=huge
\Huge=Huge
13 Text Mode: Accents and Symbols
o\'{o}o\"{o}^o\^{o} o\`{o} ~o\~{o} o\={o} s.\d s
_o\.{o}o\u{o}}o\H{o}oo {oo} o\c{o} o.\d{o} s s
o

{o} A\AA a\aa \ss \i \j }s\H s
\o s s s\v s \O {\P x\S
\ae \AE y\dag z\ddag c \copyright $\pounds