1.希腊字母

小写符号语法大写符号语法异体符号语法
αα\alphaAA\Alpha
ββ\betaBB\Beta
γγ\gammaΓΓ\Gammaϝ\digamma\digamma
δδ\deltaΔΔ\Delta
ϵϵ\epsilonEE\Epsilonεε\varepsilon
ζζ\zetaZZ\Zeta
ηη\etaHH\Eta
θθ\thetaΘΘ\Thetaϑϑ\vartheta
ιι\iotaII\Iota
κ\kappa\kappaKK\Kappaϰ\varkappa\varkappa
λλ\lambdaΛΛ\Lambda
μμ\muMM\Mu
νν\nuNN\Nu
ξξ\xiΞΞ\Xi
οο\omicronOO\Omicron
ππ\piΠΠ\Piϖϖ\varpi
ρρ\rhoPP\Rhoϱϱ\varrho
σσ\sigmaΣΣ\Sigmaςς\varsigma
ττ\tauTT\Tau
υυ\upsilonΥΥ\Upsilon
ϕϕ\phiΦΦ\Phiφφ\varphi
χχ\chiXX\Chi
ψψ\psiΨΨ\Psi
ωω\omegaΩΩ\Omega

2.希伯来字母

小写符号语法
\aleph\aleph
\beth\beth
\gimel\gimel
\daleth\daleth

3.运算符

符号语法更多符号语法更多符号语法更多
+++--\triangleleft\triangleleft
±\pm\pm\mp\mp\triangleright\triangleright
\cdot\cdot÷\div\div\star\star
×\times\times\setminus\setminus\ast\ast
\cup\cup\cap\cap\circ\circ
\sqcup\sqcup\sqcap\sqcap\bullet\bullet\land
\vee\vee\lor\wedge\wedge\land\diamond\diamond
\oplus\oplus\ominus\ominus\uplus\uplus
\odot\odot\oslash\oslash⨿\amalg\amalg
\otimes\otimes\bigcirc\bigcirc\dagger\dagger
\bigtriangleup\bigtriangleup\bigtriangledown\bigtriangledown\ddagger\ddagger
\lhd\lhd\rhd\rhd\wr\wr
\unlhd\unlhd\unrhd\unrhd\dotplus
x\sqrt{x}\sqrt{x}xn\sqrt[n]{x}\sqrt[n]{x}\divideontimes

4.大尺寸运算符

运算符语法运算符语法运算符语法
\sum\prod\int
\bigcup\bigcap\iint
\bigvee\bigwedge\iiint\iiint
\coprod\bigsqcup\oint\oint
\oiint\oiiint\biguplus\biguplus
\bigoplus\bigoplus\bigotimes\bigotimes\bigodot\bigodot

5.二元关系

符号语法更多符号语法更多符号语法更多
<<<>>>===
\leq\le\geq\ge\equiv
\ll\gg\doteq\doteq
\prec\prec\succ\succ\sim\sim
\preceq\preceq\succeq\succeq\simeq\simeq
\subset\supset\approx
\subseteq\supseteq\cong\cong
\sqsubset\sqsubset\sqsupset\sqsupset\Join\Join
\sqsubseteq\sqsubseteq\sqsupseteq\sqsupseteq\bowtie\bowtie
\in\ni\owns\propto
\vdash\dashv\models
\mid\parallel\parallel\perp\perp
\smile\smile\frown\frown\asymp\asymp
\notin\nsim\neq\nsim\ne
\subsetneq\supsetneq:::

6.箭头与括号

符号语法更多符号语法更多符号语法
\leftarrow\leftarrow\gets\longleftarrow\longleftarrow\uparrow\uparrow
\to\rightarrow\to\longrightarrow\longrightarrow\downarrow\downarrow
\leftrightarrow\leftrightarrow\longleftrightarrow\longleftrightarrow\updownarrow\updownarrow
\Leftarrow\Leftarrow\Longleftarrow\Longleftarrow\Uparrow\Uparrow
\Rightarrow\Rightarrow\Longrightarrow\Longrightarrow\Downarrow\Downarrow
\Leftrightarrow\Leftrightarrow\Longleftrightarrow\Longleftrightarrow\Updownarrow\Updownarrow
\mapsto\mapsto\longmapsto\longmapsto\nearrow\nearrow
\hookleftarrow\hookleftarrow\hookrightarrow\hookrightarrow\searrow\searrow
\leftharpoonup\leftharpoonup\rightharpoonup\rightharpoonup\swarrow\swarrow
\leftharpoondown\leftharpoondown\rightharpoondown\rightharpoondown\nwarrow\nwarrow
\rightleftharpoons\rightleftharpoons    \iff\iff\leadsto\leadsto
((()))\vert\vert
[\lbrack[\lbrack\]]\rbarck\Vert\Vert
{\{\{\lbrace}\}\rbrace///
\langle\langle\rangle\lrangle\\backslash\backslash
\lfloor\lfloor\rfloor\rfloor...
\lceil\lceil\rceil\rceil\arrowvert\arrowvert
\lgroup\lgroup\rgroup\rgroup\Arrowvert\Arrowvert
\lmoustache\lmoustache\rmoustache\rmoustache\bracevert\bracevert

7.杂项符号

符号语法符号语法符号语法符号语法
\dots\dots\cdots\cdots\vdots\vdots\ddots\ddots
\hbar\hbarı\imath\imathȷ\jmath\jmath\ell\ell
\Re\Re\Im\Im\wp\wp\forall\forall
\exists\exists\mho\mho\partial\partial''
\prime\prime\emptyset\emptyset\infty\infty\nabla\nabla
\triangle\triangle\Box\Box\Diamond\Diamond\bot\bot
\top\top\angle\angle\surd\surd\diamondsuit\diamondsuit
\heartsuit\heartsuit\clubsuit\clubsuit\spadesuit\spadesuit¬\neg\neg
\flat\flat\natural\natural\sharp\sharp¬\lnot\lnot
\Game\Game%\%\%

8.非数学符号

符号语法符号语法符号语法
\dagger\dagger§\S\S©\copyright$\copyright$
\ddagger\ddagger\P\P£\pounds\pounds

9.AMS定界符

符号语法符号语法符号语法符号语法
\ulcorner\urcorner\llcorner\lrcorner
\lvert\rvert\lVert\lVert\rVert\rVert

10.AMS希腊和希伯来字母

符号语法符号语法符号语法符号语法
ϝϝ\digammaϰ\varkappa\varkappa\beth\gimel

11.AMS二元关系符

符号语法符号语法符号语法
\lessdot\lessdot\gtrdot\gtrdot\doteqdot, \Doteq
\leqslant\geqslant\risingdotseq
\eqslantless\eqslantgtr\fallingdotseq
\leqq\geqq\eqcirc
\lll, \llless\ggg, \gggtr\circeq
\lesssim\gtrsim\triangleq
\lessapprox\gtrapprox\bumpeq
\lessgtr\gtrless\Bumpeq
\lesseqgtr\gtreqless\thicksim
\lesseqqgtr\gtreqqless\thickapprox
\preccurlyeq\succcurlyeq\approxeq
\curlyeqprec\curlyeqsucc\backsim
\precsim\succsim\backsimeq
\precapprox\succapprox\vDash
\subseteqq\supseteqq\Vdash
\Subset\Supset\Vvdash
\sqsubset\sqsupset\backepsilon\backepsilon
\therefore\because\varpropto
\shortmid\shortparallel\shortparallel\between
\smallsmile\smallfrown\pitchfork
\vartriangleleft\vartriangleleft\vartriangleright\vartriangleright\blacktriangleleft\blacktriangleleft
\trianglelefteq\trianglelefteq\trianglerighteq\trianglerighteq\blacktriangleright\blacktriangleright

12.AMS箭头

符号语法符号语法符号语法
\dashleftarrow\dashrightarrow\multimap
\leftleftarrows\rightrightarrows\upuparrows
\leftrightarrows\rightleftarrows\downdownarrows
\Lleftarrow\Rrightarrow\upharpoonleft
\twoheadleftarrow\twoheadrightarrow\upharpoonright
\leftarrowtail\rightarrowtail\downharpoonleft
\leftrightharpoons\rightleftharpoons\downharpoonright
\Lsh\Rsh\rightsquigarrow
\looparrowleft\looparrowright\leftrightsquigarrow
\curvearrowleft\curvearrowright

13.AMS二元否定关系符和箭头

符号语法符号语法符号语法
\nless\ngtr\varsubsetneqq\varsubsetneqq
\lneq\gneq\varsupsetneqq\varsupsetneqq
\nleq\ngeq\nsubseteqq\nsubseteqq
\nleqslant\nleqslant\ngeqslant\ngeqslant\nsupseteqq\nsupseteqq
\lneqq\gneqq\nmid
\lvertneqq\lvertneqq\gvertneqq\gvertneqq\nparallel
\nleqq\nleqq\ngeqq\ngeqq\nshortmid\nshortmid
\lnsim\gnsim\nshortparallel\nshortparallel
\lnapprox\gnapprox\nsim
\nprec\nsucc\ncong
\npreceq\nsucceq\nvdash
\precneqq\succneqq\nvDash
\precnsim\succnsim\nVdash
\precnapprox\succnapprox\nVDash
\subsetneq\supsetneq\ntriangleleft\ntriangleleft
\varsubsetneq\varsubsetneq\varsupsetneq\varsupsetneq\ntriangleright\ntriangleright
\nsubseteq\nsupseteq\ntrianglelefteq
\nleftarrow\nrightarrow\nleftrightarrow
\nLeftarrow\nRightarrow\nLeftrightarrow

14.AMS二元运算符

符号语法符号语法符号语法
\dotplus\centerdot\intercal
\ltimes\rtimes\divideontimes
\Cup, \doublecup\Cap, \doublecap\smallsetminus
\veebar\barwedge\doublebarwedge
\boxplus\boxminus\circleddash
\boxtimes\boxdot\circledcirc
\leftthreetimes\rightthreetimes\circledast
\curlyvee\curlywedge

15.AMS其它符号

符号语法符号语法符号语法
\hbar\hslash\hslashk\Bbbk\Bbbk
\square\square\blacksquare\blacksquare\circledS\circledS
\vartriangle\vartriangle\blacktriangle\blacktriangle\complement
\triangledown\triangledown\blacktriangledown\blacktriangledown\Game
\lozenge\lozenge\blacklozenge\blacklozenge\bigstar\bigstar
\angle\measuredangle\sphericalangle
\diagup\diagup\diagdown\diagdown\backprime\backprime
\nexists\nexists\Finv\varnothing\varnothing
ðð\eth\mho\mho

16.标准函数

符号语法符号语法
expab=ab\exp_a b = a^b\exp_a b = a^bexpb=eb\exp b = e^b\exp b = e^b
10m10^m10^mlnc\ln c\ln c
lgd=log10d\lg d = \log_{10} d\lg d = \log_{10} dlog10f\log_{10} f\log_{10} f
sina\sin a\sin acosb\cos b\cos b
tanc\tan c\tan ccotd\cot d\cot d
sece\sec e\sec ecscf\csc f\csc f
arcsina\arcsin a\arcsin aarccosb\arccos b\arccos b
arctanc\arctan c\arctan carccotd\operatorname{arccot}d\operatorname{arccot}d
arcsece\operatorname{arcsec} e\operatorname{arcsec} earccscf\operatorname{arccsc} f\operatorname{arccsc} f
sinha\sinh a\sinh acoshb\cosh b\cosh b
tanhc\tanh c\tanh ccothd\coth d\coth d
cosec\operatorname{cosec}\cosecarctg\operatorname{arctg}\operatorname{arctg}
cotg\operatorname{cotg}\cotgarcctg\operatorname{arcctg}\operatorname{arcctg}
ctg\operatorname{ctg}\ctgcth\operatorname{cth}\operatorname{cth}
shk\operatorname{sh}k\operatorname{sh}kchl\operatorname{ch}l\operatorname{ch}l
thm\operatorname{th}m\operatorname{th}mcothn\operatorname{coth}n\operatorname{coth}n
argsho\operatorname{argsh}o\operatorname{argsh}oargchp\operatorname{argch}p\operatorname{argch}p
argthq\operatorname{argth}q\operatorname{argth}qsgnr\operatorname{sgn}r\operatorname{sgn}r
s\left\vert s \right\vert\left\vert s \right\vertmin(x,y)\min(x,y)\min(x,y)
max(x,y)\max(x,y)\max(x,y)f\operatorname{f}\operatorname{f}
f\operatorname*{f}\operatorname*{f}

17.极限

符号语法符号语法
minx\min x\min xkerϕ\ker\phi\ker\phi
maxy\max y\max yargmax\arg\max\arg\max
infs\inf s\inf sinj lim\injlim\injlim
supt\sup t\sup tlim\varinjlim\varinjlim
limu\lim u\lim uargmin\arg\min\arg\min
lim infv\liminf v\liminf vplim\operatorname{plim}\operatorname{plim}
lim supw\limsup w\limsup wlim\varliminf\varliminf
dimp\dim p\dim plim\varlimsup\varlimsup
degq\deg q\deg qproj lim\projlim\projlim
detm\det m\det mlim\varprojlim\varprojlim

18.投射

符号语法符号语法
prj\operatorname{pr} j\operatorname{Pr} jhoml\hom l\hom l
z\lVert z \rVert\lVert z \rVertargz\arg z\arg z

19.微分与导数

符号语法符号语法
dtdtdtdt\mathrm{d}t\mathrm{d}t
t\partial t\partial tψ\nabla\psi\nabla\psi
dy/dxdy/dxdy/dxdy/dx\mathrm{d}y/\mathrm{d}x\mathrm{d}y/\mathrm{d}x
dydx\frac{dy}{dx}\frac{dy}{dx}dydx\frac{\mathrm{d}y}{\mathrm{d}x}\frac{\mathrm{d}y}{\mathrm{d}x}
2x1x2y\frac{\partial^2}{\partial x_1\partial x_2}y\frac{\partial^2}{\partial x_1\partial x_2}y\prime\prime
\backprime\backprimeff^\primef^\prime
ff'f'ff''f''
f(3)f^{(3)}f^{(3)}y˙\dot y\dot y
y¨\ddot y\ddot y

20.模运算

符号语法符号语法
sk0(modm)s_k \equiv 0 \pmod{m}s_k \equiv 0 \pmod{m}amodba \bmod ba \bmod b
gcd(m,n)\gcd(m, n)\gcd(m, n)lcm(m,n)\operatorname{lcm}(m, n)\operatorname{lcm}(m, n)
\mid\mid\nmid\nmid
\shortmid\shortmid\nshortmid\nshortmid

21.根号

符号语法符号语法
\surd\surd2\sqrt{2}\sqrt{2}
n\sqrt[n]{}\sqrt[n]{}x3+y323\sqrt[3]{\frac{x^3+y^3}{2}}\sqrt[3]{\frac{x^3+y^3}{2}}

22.上标下标及积分

符号语法符号语法
a2a^2a^2a2a_2a_2
a2+2a^{2+2}a^{2+2}ai,ja_{i,j}a_{i,j}
x23x_2^3x_2^312 ⁣X34{}_1^2\!X_3^4{}_1^2\!X_3^4
x12=x1×x1{x_1}^2=x_1 \times x_1{x_1}^2=x_1 \times x_1xx'x'
xx^\primex^\primexx\primex\prime
\intop\intop\smallint\smallint
x˙\dot{x}\dot{x}y¨\ddot{y}\ddot{y}
c\vec{c}\vec{c}ab\overleftarrow{a b}\overleftarrow{a b}
cd\overrightarrow{c d}\overrightarrow{c d}ab\overleftrightarrow{a b}\overleftrightarrow{a b}
efg^\widehat{e f g}\widehat{e f g}AB\overset{\frown}{AB}\overset{\frown}{AB}
hij\overline{h i j}\overline{h i j}klm\underline{k l m}\underline{k l m}
1+2++100\overbrace{1+2+\cdots+100}\overbrace{1+2+\cdots+100}1+2++1005050\overbrace{ 1+2+\cdots+100 }^{5050}\overbrace{ 1+2+\cdots+100 }^{5050}
a+b++z\underbrace{a+b+\cdots+z}\underbrace{a+b+\cdots+z}a+b++z26\underbrace{ a+b+\cdots+z }_{26}\underbrace{ a+b+\cdots+z }_{26}
k=1Nk2\sum_{k=1}^N k^2\sum_{k=1}^N k^2k=1Nk2\begin{matrix} \sum_{k=1}^N k^2 \end{matrix}\begin{matrix} \sum_{k=1}^N k^2 \end{matrix}
i=1Nxi\prod_{i=1}^N x_i\prod_{i=1}^N x_ii=1Nxi\begin{matrix} \prod_{i=1}^N x_i \end{matrix}\begin{matrix} \prod_{i=1}^N x_i \end{matrix}
i=1Nxi\coprod_{i=1}^N x_i\coprod_{i=1}^N x_ii=1Nxi\begin{matrix} \coprod_{i=1}^N x_i \end{matrix}\begin{matrix} \coprod_{i=1}^N x_i \end{matrix}
limnxn\lim_{n \to \infty}x_n\lim_{n \to \infty}x_nlimnxn\begin{matrix} \lim_{n \to \infty}x_n \end{matrix}\begin{matrix} \lim_{n \to \infty}x_n \end{matrix}
NNexdx\int_{-N}^{N} e^x\, \mathrm{d}x\int_{-N}^{N} e^x\, \mathrm{d}xNNexdx\begin{matrix} \int_{-N}^{N} e^x\, \mathrm{d}x \end{matrix}\begin{matrix} \int_{-N}^{N} e^x\, \mathrm{d}x \end{matrix}
DWdxdy\iint_{D}^{W} \, \mathrm{d}x\,\mathrm{d}y\iint_{D}^{W} \, \mathrm{d}x\,\mathrm{d}yEVdxdydz\iiint_{E}^{V} \, \mathrm{d}x\,\mathrm{d}y\,\mathrm{d}z\iiint_{E}^{V} \, \mathrm{d}x\,\mathrm{d}y\,\mathrm{d}z
Cx3dx+4y2dy\oint_{C} x^3\, \mathrm{d}x + 4y^2\, \mathrm{d}y\oint_{C} x^3\, \mathrm{d}x + 4y^2\, \mathrm{d}y暂不支持\varointclockwise_{C} 7^x\, \mathrm{d}x + e^y\, \mathrm{d}y
暂不支持\ointctrclockwise_{C} 7^x\, \mathrm{d}x + e^y\, \mathrm{d}ySfdA∯_{S} \,f\mathrm{d}A∯_{S}\,f\mathrm{d}A
EfdV∰_{E}\,f\mathrm{d}V∰_{E}\,f\mathrm{d}V1np\bigcap_1^{n} p\bigcap_1^{n} p
1kp\bigcup_1^{k} p\bigcup_1^{k} p

23.分数、矩阵与多行列式

符号语法符号语法
24=0.5\frac{2}{4}=0.5\frac{2}{4}=0.5a+bab\frac{a+b}{a-b}\frac{a+b}{a-b}
24=0.5\tfrac{2}{4} = 0.5\tfrac{2}{4} = 0.52c+2d+24=a\cfrac{2}{c + \cfrac{2}{d + \cfrac{2}{4}}} = a\cfrac{2}{c + \cfrac{2}{d + \cfrac{2}{4}}} = a
24=0.52c+2d+24=a\dfrac{2}{4} = 0.5 \qquad \dfrac{2}{c + \dfrac{2}{d + \dfrac{2}{4}}} = a\dfrac{2}{4} = 0.5 \qquad \dfrac{2}{c + \dfrac{2}{d + \dfrac{2}{4}}} = a

(nr)=(nnr)=Cnr=Cnnr\dbinom{n}{r}=\binom{n}{n-r}=\mathrm{C}_n^r=\mathrm{C}_n^{n-r}

(nnr,n2r1,abc+d,(n0)+(n1))\begin{pmatrix} &&n \\ n - r, & n^2 r_1, & a-bc+d, & {n \choose 0} + {n \choose 1} \end{pmatrix}

(nr)=(nnr)=Cnr=Cnnr\tbinom{n}{r}=\tbinom{n}{n-r}=\mathrm{C}_n^r=\mathrm{C}_n^{n-r}

(nr)=(nnr)=Cnr=Cnnr\binom{n}{r}=\dbinom{n}{n-r}=\mathrm{C}_n^r=\mathrm{C}_n^{n-r}

xyzv\begin{matrix}x & y \\z & v\end{matrix}

xyzv\begin{vmatrix}x & y \\z & v\end{vmatrix}

xyzv\begin{Vmatrix}x & y \\z & v\end{Vmatrix}

[0000]\begin{bmatrix}0 & \cdots & 0 \\\vdots & \ddots & \vdots \\0 & \cdots & 0\end{bmatrix}

{xyzv}\begin{Bmatrix}x & y \\z & v\end{Bmatrix}

(xyzv)\begin{pmatrix}x & y \\z & v\end{pmatrix}

(abcd)\bigl( \begin{smallmatrix}a&b\\ c&d\end{smallmatrix} \bigr)

f(n)={n2,if n is even,3n+1,if n is odd.\begin{align*} f(n) = \begin{cases} \frac{n}{2}, & \text{if } n \text{ is even}, \\ 3n+1, & \text{if } n \text{ is odd}. \end{cases} \end{align*}

f(x)=(m+n)2=m2+2mn+n2\begin{align*}f(x) & = (m+n)^2 \\& = m^2+2mn+n^2 \\\end{align*}

36n+3+46n+3(33)2n+1+(43)2n+1272n+1+642n+1272n+1+(27)2n+1272n+1272n+10(mod91)\begin{align*}3^{6n+3}+4^{6n+3} & \equiv (3^3)^{2n+1}+(4^3)^{2n+1}\\& \equiv 27^{2n+1}+64^{2n+1}\\& \equiv 27^{2n+1}+(-27)^{2n+1}\\& \equiv 27^{2n+1}-27^{2n+1}\\& \equiv 0 \pmod{91}\\\end{align*}

z=af(x,y,z)=x+y+z\begin{array}{lcr} \\ &z = a \\ &f(x,y,z) = x + y + z\end{array}

{3x+5y+z7x2y+4z6x+3y+2z\begin{cases}3x + 5y + z \\7x - 2y + 4z \\-6x + 3y + 2z\end{cases}

abS001011101110\begin{array}{|c|c||c|} a & b & S \\0&0&1\\0&1&1\\1&0&1\\1&1&0\\\end{array}

abcd\begin{array}{cc}a & b \\c & d\end{array}

abcdefghi\def\arraystretch{1.5} \begin{array}{c:c:c} a & b & c \\ d & e & f \\ g & h & i \end{array}

aif bcif d}\begin{rcases}a &\text{if } b \\ c &\text{if } d\end{rcases}⇒…

24.声调变音符号

符号语法符号语法符号语法
a˙\dot{a}\dot{a}a¨\ddot{a}\ddot{a}aˊ\acute{a}\acute{a}
aˋ\grave{a}\grave{a}aˇ\check{a}\check{a}a˘\breve{a}\breve{a}
a~\tilde{a}\tilde{a}aˉ\bar{a}\bar{a}a^\hat{a}\hat{a}
a^\widehat{a}\widehat{a}a\vec{a}\vec{a}ac~\widetilde{ac}\widetilde{ac}
X\underline{X}\underline{X}g˚\mathring{g}\mathring{g}

25.字体

样式语法
ABCDEFGHIJKLMNOPQRSTUVWXYZ\mathbb{ABCDEFGHIJKLMNOPQRSTUVWXYZ}\mathbb{ABCDEFGHIJKLMNOPQRSTUVWXYZ}
ABCDEFGHIJKLMNOPQRSTUVWXYZ\mathbf{ABCDEFGHIJKLMNOPQRSTUVWXYZ}\mathbf{ABCDEFGHIJKLMNOPQRSTUVWXYZ}
abcdefghijklmnopqrstuvwxyz\mathbf{abcdefghijklmnopqrstuvwxyz}\mathbf{abcdefghijklmnopqrstuvwxyz}
0123456789\mathbf{0123456789}\mathbf{0123456789}
ABΓΔEZHΘIKΛ\boldsymbol{AB\Gamma\Delta EZH\Theta I K\Lambda}\boldsymbol{AB\Gamma\Delta EZH\Theta I K\Lambda}
MNΞΠPΣTΥΦXΨΩ\boldsymbol{MN\Xi\Pi P\Sigma T\Upsilon\Phi X\Psi\Omega}\boldsymbol{MN\Xi\Pi P\Sigma T\Upsilon\Phi X\Psi\Omega}
αβγδϵζηθικλμν\boldsymbol{\alpha\beta\gamma\delta\epsilon\zeta\eta\theta\iota\kappa\lambda\mu\nu}\boldsymbol{\alpha\beta\gamma\delta\epsilon\zeta\eta\theta\iota\kappa\lambda\mu\nu}
ξπρστυϕχψωεϝ\boldsymbol{\xi\pi\rho\sigma\tau\upsilon\phi\chi\psi\omega\varepsilon\digamma}\boldsymbol{\xi\pi\rho\sigma\tau\upsilon\phi\chi\psi\omega\varepsilon\digamma}
ϰϖϱςϑφ\boldsymbol{\varkappa\varpi\varrho\varsigma\vartheta\varphi}\boldsymbol{\varkappa\varpi\varrho\varsigma\vartheta\varphi}
0123456789\mathit{0123456789}\mathit{0123456789}
ABCDEFGHIJKLMNOPQRSTUVWXYZ\mathrm{ABCDEFGHIJKLMNOPQRSTUVWXYZ}\mathrm{ABCDEFGHIJKLMNOPQRSTUVWXYZ}
abcdefghijklmnopqrstuvwxyz\mathrm{abcdefghijklmnopqrstuvwxyz}\mathrm{abcdefghijklmnopqrstuvwxyz}
0123456789\mathrm{0123456789}\mathrm{0123456789}
ABCDEFGHIJKLMNOPQRSTUVWXYZ\mathcal{ABCDEFGHIJKLMNOPQRSTUVWXYZ}\mathcal{ABCDEFGHIJKLMNOPQRSTUVWXYZ}
ABCDEFGHIJKLMNOPQRSTUVWXYZ\mathfrak{ABCDEFGHIJKLMNOPQRSTUVWXYZ}\mathfrak{ABCDEFGHIJKLMNOPQRSTUVWXYZ}
abcdefghijklmnopqrstuvwxyz\mathfrak{abcdefghijklmnopqrstuvwxyz}\mathfrak{abcdefghijklmnopqrstuvwxyz}
0123456789\mathfrak{0123456789}\mathfrak{0123456789}
abcdefghijklm\scriptstyle\text{abcdefghijklm}\scriptstyle\text{abcdefghijklm}

26.空格换行符

示例语法介绍
Mr. LaTeXMr.~LaTeXMr.~LaTeX避免在两行之间断开
aba \qquad ba \qquad b2em2em
aba\quad ba\quad b1em1em
a ba\ ba\ b13em\frac{1}{3}em
a  ba\; ba\; b27em\frac{2}{7}em
aba\, ba\, b16em\frac{1}{6}em
ababab
a ⁣ba\! ba\! b缩进16em\frac{1}{6}em
aba\hspace{1cm}ba\hspace{1cm}b自定义距离
aba\hspace{1em}ba\hspace{1em}b自定义距离
aba \hspace{-.1cm} ba \hspace{-.1cm} b自定义距离
aba \hspace{-.1em} b$a \hspace{-.1em} b$自定义距离