Help:數學

數學

數學符宜入<math> ... </math>。

常符

聲調/變音符
\acute{a} \grave{a} \hat{a} \tilde{a} \breve{a}	$\acute{a}\stackrel{`}{a}\hat{a}\tilde{a}\breve{a}$
\check{a} \bar{a} \ddot{a} \dot{a}	$\check{a}\overline{a}\ddot{a}\dot{a}$
函數
\sin a \cos b \tan c	$\sin a\cos b\tan c$
\sec d \csc e \cot f	$\sec d\csc e\cot f$
\arcsin h \arccos i \arctan j	$\arcsin h\arccos i\arctan j$
\sinh k \cosh l \tanh m \coth n\!	$\sinh k\cosh l\tanh m\coth n$
\operatorname{sh}o\,\operatorname{ch}p\,\operatorname{th}q\!	$\mathrm{sh}o\mathrm{ch}p\mathrm{th}q$
\operatorname{arsinh}r\,\operatorname{arcosh}s\,\operatorname{artanh}t	$\mathrm{arsinh}r\mathrm{arcosh}s\mathrm{artanh}t$
\lim u \limsup v \liminf w \min x \max y\!	$\lim u\mathrm{lim\; sup}v\mathrm{lim\; inf}w\min x\max y$
\inf z \sup a \exp b \ln c \lg d \log e \log_{10} f \ker g\!	$\inf z\sup a\exp b\ln c\lg d\log e{\log }_{10}f\ker g$
\deg h \gcd i \Pr j \det k \hom l \arg m \dim n	$\mathrm{deg}h\gcd i\mathrm{Pr}j\det k\mathrm{hom}l\arg m\dim n$
模代數
s_k \equiv 0 \pmod{m}	$s_k\equiv 0(\mathrm{mod}m)$
a\,\bmod\,b	$amodb$
微分
\nabla \, \partial x \, \mathrm{d}x \, \dot x \, \ddot y\, \mathrm{d}y/\mathrm{d}x\, \frac{\mathrm{d}y}{\mathrm{d}x}\, \frac{\partial^2 y}{\partial x_1\,\partial x_2}	$\mathrm{\nabla }\partial x\mathrm{d}x\dot{x}\ddot{y}\mathrm{d}y/\mathrm{d}x\frac{\mathrm{d}y}{\mathrm{d}x}\frac{{\partial }^{2}y}{\partial x_1\partial x_2}$
集合
\forall \exists \empty \emptyset \varnothing	$\mathrm{\forall }\mathrm{\exists }\mathrm{\varnothing }\mathrm{\varnothing }\varnothing$
\in \ni \not \in \notin \subset \subseteq \supset \supseteq	$\in \ni \in ̸\notin \subset \subseteq \supset \supseteq$
\cap \bigcap \cup \bigcup \biguplus \setminus \smallsetminus	$\cap \bigcap \cup \bigcup ⨄\setminus \setminus$
\sqsubset \sqsubseteq \sqsupset \sqsupseteq \sqcap \sqcup \bigsqcup	$⊏⊑⊐⊒\sqcap \bigsqcup ⨆$
運算符
+ \oplus \bigoplus \pm \mp -	$+\oplus ⨁\pm \mp -$
\times \otimes \bigotimes \cdot \circ \bullet \bigodot	$\times \otimes ⨂\cdot \circ \bullet ⨀$
\star * / \div \frac{1}{2}	$\star */÷\frac{1}{2}$
邏輯符
\land (or \and) \wedge \bigwedge \bar{q} \to p	$\wedge \wedge \bigwedge \overline{q}\to p$
\lor \vee \bigvee \lnot \neg q \And	$\vee \vee \bigvee \mathrm{\neg }\mathrm{\neg }q\mathrm{\&}$
根號
\sqrt{x} \sqrt[n]{x}	$\sqrt{x}\sqrt[n]{x}$
關系符
\sim \approx \simeq \cong \dot= \overset{\underset{\mathrm{def}}{}}{=}	$\sim \approx \simeq \cong \dot{=}\stackrel{\mathrm{d}\mathrm{e}\mathrm{f}}{=}$
< \le \ll \gg \ge > \equiv \not\equiv \ne \mbox{or} \neq \propto	$<\le \ll \gg \ge >\equiv \equiv ̸\ne \text{or}\ne \propto$
\lessapprox \lesssim \eqslantless \leqslant \leqq \geqq \geqslant \eqslantgtr \gtrsim \gtrapprox	$⪅\lesssim ⪕⩽\leqq \geqq ⩾⪖\gtrsim ⪆$
幾何符
\Diamond \Box \triangle \angle \perp \mid \nmid \| 45^\circ	$◊◻\mathrm{△}\mathrm{\angle }\perp \mid \nmid \Vert 45^{\circ }$
箭頭
\leftarrow (or \gets) \rightarrow (or \to) \nleftarrow \nrightarrow \leftrightarrow \nleftrightarrow \longleftarrow \longrightarrow \longleftrightarrow	$\leftarrow \to \nleftarrow \nrightarrow \leftrightarrow \nleftrightarrow ⟵⟶⟷$
\Leftarrow \Rightarrow \nLeftarrow \nRightarrow \Leftrightarrow \nLeftrightarrow \Longleftarrow \Longrightarrow \Longleftrightarrow (or \iff)	$\Leftarrow \Rightarrow \nLeftarrow \nRightarrow \iff \nLeftrightarrow ⟸⟹⟺$
\uparrow \downarrow \updownarrow \Uparrow \Downarrow \Updownarrow \nearrow \searrow \swarrow \nwarrow	$\uparrow \downarrow \updownarrow \Uparrow \Downarrow \Updownarrow \nearrow \searrow \swarrow \nwarrow$
\rightharpoonup \rightharpoondown \leftharpoonup \leftharpoondown \upharpoonleft \upharpoonright \downharpoonleft \downharpoonright \rightleftharpoons \leftrightharpoons	$\rightharpoonup \rightharpoondown \leftharpoonup \leftharpoondown \upharpoonleft \upharpoonright \downharpoonleft \downharpoonright \rightleftharpoons \leftrightharpoons$
\curvearrowleft \circlearrowleft \Lsh \upuparrows \rightrightarrows \rightleftarrows \Rrightarrow \rightarrowtail \looparrowright	$\curvearrowleft \circlearrowleft \Lsh \upuparrows \rightrightarrows \rightleftarrows \Rrightarrow \rightarrowtail \looparrowright$
\curvearrowright \circlearrowright \Rsh \downdownarrows \leftleftarrows \leftrightarrows \Lleftarrow \leftarrowtail \looparrowleft	$\curvearrowright \circlearrowright \Rsh \downdownarrows \leftleftarrows \leftrightarrows \Lleftarrow \leftarrowtail \looparrowleft$
\mapsto \longmapsto \hookrightarrow \hookleftarrow \multimap \leftrightsquigarrow \rightsquigarrow	$\mapsto ⟼\hookrightarrow \hookleftarrow ⊸\leftrightsquigarrow ⇝$
奇符
\And \eth \S \P \% \dagger \ddagger \ldots \cdots	$\mathrm{\&}\mathrm{ð}\mathrm{\S }\P \mathrm{\%}†‡\dots \cdots$
\smile \frown \wr \triangleleft \triangleright \infty \bot \top	$⌣⌢\wr ◃▹\mathrm{\infty }\mathrm{\perp }\mathrm{\top }$
\vdash \vDash \Vdash \models \lVert \rVert \imath \hbar	$⊢\models ⊩\models \Vert \Vert ı\hslash$
\ell \mho \Finv \Re \Im \wp \complement	$\ell \mho Ⅎ\mathrm{\Re }\mathrm{\Im }\mathrm{\wp }\complement$
\diamondsuit \heartsuit \clubsuit \spadesuit \Game \flat \natural \sharp	$\mathrm{♢}\mathrm{♡}\mathrm{♣}\mathrm{♠}⅁\mathrm{♭}\mathrm{♮}\mathrm{♯}$
\vartriangle \triangledown \lozenge \circledS \measuredangle \nexists \Bbbk \backprime \blacktriangle \blacktriangledown	$△▽◊\mathrm{Ⓢ}\measuredangle \nexists 𝕜‵▴▾$
\blacksquare \blacklozenge \bigstar \sphericalangle \diagup \diagdown \dotplus \Cap \Cup \barwedge	$◼⧫★\sphericalangle ╱╲\dotplus ⋒⋓⊼$
\veebar \doublebarwedge \boxminus \boxtimes \boxdot \boxplus \divideontimes \ltimes \rtimes \leftthreetimes	$⊻⩞\boxminus ⊠⊡⊞\divideontimes ⋉⋊⋋$
\rightthreetimes \curlywedge \curlyvee \circleddash \circledast \circledcirc \centerdot \intercal \leqq \leqslant	$⋌⋏⋎⊝⊛⊚\cdot ⊺\leqq ⩽$
\eqslantless \lessapprox \approxeq \lessdot \lll \lessgtr \lesseqgtr \lesseqqgtr \doteqdot \risingdotseq	$⪕⪅\approxeq ⋖⋘\lessgtr ⋚⪋\doteqdot \risingdotseq$
\fallingdotseq \backsim \backsimeq \subseteqq \Subset \preccurlyeq \curlyeqprec \precsim \precapprox \vartriangleleft	$\fallingdotseq \backsim \backsimeq ⫅⋐\preccurlyeq ⋞\precsim ⪷⊲$
\Vvdash \bumpeq \Bumpeq \eqsim \gtrdot	$\Vvdash \bumpeq \Bumpeq \eqsim ⋗$
\ggg \gtrless \gtreqless \gtreqqless \eqcirc \circeq \triangleq \thicksim \thickapprox \supseteqq	$⋙\gtrless ⋛⪌\eqcirc \circeq \triangleq \sim \approx ⫆$
\Supset \succcurlyeq \curlyeqsucc \succsim \succapprox \vartriangleright \shortmid \between \shortparallel \pitchfork	$⋑\succcurlyeq ⋟\succsim ⪸⊳\mid \between \parallel ⋔$
\varpropto \blacktriangleleft \therefore \backepsilon \blacktriangleright \because \nleqslant \nleqq \lneq \lneqq	$\propto ◂\therefore ∍▸\because ⪇\nleqq ⪇\lneqq$
\lvertneqq \lnsim \lnapprox \nprec \npreceq \precneqq \precnsim \precnapprox \nsim \nshortmid	$\lneqq ⋦⪉\nprec ⋠⪵⋨⪹\nsim \nmid$
\nvdash \nVdash \ntriangleleft \ntrianglelefteq \nsubseteq \nsubseteqq \varsubsetneq \subsetneqq \varsubsetneqq \ngtr	$⊬⊮⋪⋬⊈⊈⊊⫋⫋\ngtr$
\subsetneq	$⊊$
\ngeqslant \ngeqq \gneq \gneqq \gvertneqq \gnsim \gnapprox \nsucc \nsucceq \succneqq	$⪈\ngeqq ⪈\gneqq \gneqq ⋧⪊\nsucc ⋡⪶$
\succnsim \succnapprox \ncong \nshortparallel \nparallel \nvDash \nVDash \ntriangleright \ntrianglerighteq \nsupseteq	$⋩⪺≆\nparallel \nparallel ⊭⊯⋫⋭⊉$
\nsupseteqq \varsupsetneq \supsetneqq \varsupsetneqq	$⊉⊋⫌⫌$
\jmath \surd \ast \uplus \diamond \bigtriangleup \bigtriangledown \ominus	$ȷ\surd \ast \uplus \diamond △▽\ominus$
\oslash \odot \bigcirc \amalg \prec \succ \preceq \succeq	$\oslash \odot ◯⨿\prec \succ ⪯⪰$
\dashv \asymp \doteq \parallel	$⊣\asymp \doteq \parallel$
\ulcorner \urcorner \llcorner \lrcorner	$⌜⌝⌞⌟$
\Coppa\coppa\varcoppa\Digamma\Koppa\koppa\Sampi\sampi\Stigma\stigma\varstigma	$ϘϙϙϜϞϟϠϡϚϛϛ$

上標、下標、積分等

功能	語法	效果
上標	a^2	$a^2$
下標	a_2	$a_2$
多文	a^{2+2}	$a^{2+2}$
	a_{i,j}	$a_{i,j}$
上下兼用	x_2^3	$x_2^3$
前置上下標	{}_1^2\!X_3^4	${}_1^2{X}_3^4$
導數 （HTML）	x'	$x^{\prime }$
導數 （PNG）	x^\prime	$x^{\prime }$
導數 （錯誤）	x\prime	$x\prime$
導數點	\dot{x}	$\dot{x}$
	\ddot{y}	$\ddot{y}$
向量	\vec{c}	$\overrightarrow{c}$
	\overleftarrow{a b}	$\overleftarrow{ab}$
	\overrightarrow{c d}	$\overrightarrow{cd}$
	\widehat{e f g}	$\widehat{efg}$
上弧	\overset{\frown} {AB}	$\stackrel{⌢}{AB}$
上劃線	\overline{h i j}	$\overline{hij}$
下劃線	\underline{k l m}	$\underset{\_}{klm}$
上括號	\overbrace{1+2+\cdots+100}	$\overbrace{1+2+\cdots +100}$
	\begin{matrix} 5050 \\ \overbrace{ 1+2+\cdots+100 } \end{matrix}	$\begin{array}{c}5050\\ \overbrace{1+2+\cdots +100}\end{array}$
下括號	\underbrace{a+b+\cdots+z}	$\underbrace{a+b+\cdots +z}$
	\begin{matrix} \underbrace{ a+b+\cdots+z } \\ 26 \end{matrix}	$\begin{array}{c}\underbrace{a+b+\cdots +z}\\ 26\end{array}$
求和	\sum_{k=1}^N k^2	$\sum _{k=1}^N{k}^2$
	\begin{matrix} \sum_{k=1}^N k^2 \end{matrix}	$\begin{array}{c}\sum _{k=1}^N{k}^2\end{array}$
求積	\prod_{i=1}^N x_i	$\prod _{i=1}^N{x}_i$
	\begin{matrix} \prod_{i=1}^N x_i \end{matrix}	$\begin{array}{c}\prod _{i=1}^N{x}_i\end{array}$
上積	\coprod_{i=1}^N x_i	$\coprod _{i=1}^N{x}_i$
	\begin{matrix} \coprod_{i=1}^N x_i \end{matrix}	$\begin{array}{c}\coprod _{i=1}^N{x}_i\end{array}$
極限	\lim_{n \to \infty}x_n	$\underset{n\to \mathrm{\infty }}{\lim }{x}_n$
	\begin{matrix} \lim_{n \to \infty}x_n \end{matrix}	$\begin{array}{c}\underset{n\to \mathrm{\infty }}{\lim }{x}_n\end{array}$
積分	\int_{-N}^{N} e^x\, \mathrm{d}x	$\underset{-N}{\overset{N}{\int }}{e}^x\mathrm{d}x$
	\begin{matrix} \int_{-N}^{N} e^x\, \mathrm{d}x \end{matrix}	$\begin{array}{c}\underset{-N}{\overset{N}{\int }}{e}^x\mathrm{d}x\end{array}$
雙重積分	\iint_{D}^{W} \, \mathrm{d}x\,\mathrm{d}y	$\underset{D}{\overset{W}{\iint }}\mathrm{d}x\mathrm{d}y$
三重積分	\iiint_{E}^{V} \, \mathrm{d}x\,\mathrm{d}y\,\mathrm{d}z	$\underset{E}{\overset{V}{\iiint }}\mathrm{d}x\mathrm{d}y\mathrm{d}z$
四重積分	\iiiint_{F}^{U} \, \mathrm{d}x\,\mathrm{d}y\,\mathrm{d}z\,\mathrm{d}t	$\underset{F}{\overset{U}{⨌}}\mathrm{d}x\mathrm{d}y\mathrm{d}z\mathrm{d}t$
環曲綫、曲面積分	\oint_{C} x^3\, \mathrm{d}x + 4y^2\, \mathrm{d}y	${\oint }_C{x}^3\mathrm{d}x+4y^2\mathrm{d}y$
交集	\bigcap_1^{n} p	$\bigcap _1^{n}p$
並集	\bigcup_1^{k} p	$\bigcup _1^{k}p$

分數、矩陣並多行列式

功	法	效
分數	\frac{2}{4}=0.5	$\frac{2}{4}=0.5$
小型分數	\tfrac{2}{4} = 0.5	$\frac{2}{4}=0.5$
大型分數（嵌套）	\cfrac{2}{c + \cfrac{2}{d + \cfrac{2}{4}}} = a	$\frac{2}{c+\frac{2}{d+\frac{2}{4}}}=a$
大型分數（不嵌套）	\dfrac{2}{4} = 0.5 \qquad \dfrac{2}{c + \dfrac{2}{d + \dfrac{2}{4}}} = a	$\frac{2}{4}=0.5\frac{2}{c+\frac{2}{d+\frac{2}{4}}}=a$
二項式系數	\dbinom{n}{r}=\binom{n}{n-r}=\mathrm{C}_n^r=\mathrm{C}_n^{n-r}	$(\genfrac{}{}{0ex}{}{n}{r})=(\genfrac{}{}{0ex}{}{n}{n-r})={\mathrm{C}}_n^r={\mathrm{C}}_n^{n-r}$
小型二項式系數	\tbinom{n}{r}=\tbinom{n}{n-r}=\mathrm{C}_n^r=\mathrm{C}_n^{n-r}	$(\genfrac{}{}{0ex}{}{n}{r})=(\genfrac{}{}{0ex}{}{n}{n-r})={\mathrm{C}}_n^r={\mathrm{C}}_n^{n-r}$
大型二項式系數	\binom{n}{r}=\dbinom{n}{n-r}=\mathrm{C}_n^r=\mathrm{C}_n^{n-r}	$(\genfrac{}{}{0ex}{}{n}{r})=(\genfrac{}{}{0ex}{}{n}{n-r})={\mathrm{C}}_n^r={\mathrm{C}}_n^{n-r}$
矩陣	\begin{matrix} x & y \\ z & v \end{matrix}	$\begin{array}{cc}x& y\\ z& v\end{array}$
	\begin{vmatrix} x & y \\ z & v \end{vmatrix}	$\left|\begin{array}{cc}x& y\\ z& v\end{array}\right|$
	\begin{Vmatrix} x & y \\ z & v \end{Vmatrix}	$\Vert \begin{array}{cc}x& y\\ z& v\end{array}\Vert$
	\begin{bmatrix} 0 & \cdots & 0 \\ \vdots & \ddots & \vdots \\ 0 & \cdots & 0 \end{bmatrix}	$\left[\begin{array}{ccc}0& \cdots & 0\\ ⋮& \ddots & ⋮\\ 0& \cdots & 0\end{array}\right]$
	\begin{Bmatrix} x & y \\ z & v \end{Bmatrix}	$\left\{\begin{array}{cc}x& y\\ z& v\end{array}\right\}$
	\begin{pmatrix} x & y \\ z & v \end{pmatrix}	$\left(\begin{array}{cc}x& y\\ z& v\end{array}\right)$
	\bigl( \begin{smallmatrix} a&b\\ c&d \end{smallmatrix} \bigr)	$\left(\begin{array}{cc}a& b\\ c& d\end{array}\right)$
條件定義	f(n) = \begin{cases} n/2, & \mbox{if }n\mbox{ is even} \\ 3n+1, & \mbox{if }n\mbox{ is odd} \end{cases}	$f(n)=\{\begin{array}{cc}n/2,& \text{if }n\text{ is even}\\ 3n+1,& \text{if }n\text{ is odd}\end{array}$
多行等式、同餘式	\begin{align} f(x) & = (m+n)^2 \\ & = m^2+2mn+n^2 \\ \end{align}	$\begin{array}{cc}f(x)& =(m+n{)}^2\\ & =m^2+2mn+n^2\\ \end{array}$
	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}	$\begin{array}{cc}{3}^{6n+3}+4^{6n+3}& \equiv (3^3{)}^{2n+1}+(4^3{)}^{2n+1}\\ & \equiv 27^{2n+1}+64^{2n+1}\\ & \equiv 27^{2n+1}+(-27{)}^{2n+1}\\ & \equiv 27^{2n+1}-27^{2n+1}\\ & \equiv 0(\mathrm{mod}91)\\ \end{array}$
	\begin{alignat}{3} f(x) & = (m-n)^2 \\ f(x) & = (-m+n)^2 \\ & = m^2-2mn+n^2 \\ \end{alignat}	$\begin{array}{cc}f(x)& =(m-n{)}^2\\ f(x)& =(-m+n{)}^2\\ & =m^2-2mn+n^2\\ \end{array}$
多行等式（左對齊）	\begin{array}{lcl} z & = & a \\ f(x,y,z) & = & x + y + z \end{array}	$\begin{array}{ccc}z& =& a\\ f(x,y,z)& =& x+y+z\end{array}$
多行等式（右對齊）	\begin{array}{lcr} z & = & a \\ f(x,y,z) & = & x + y + z \end{array}	$\begin{array}{ccc}z& =& a\\ f(x,y,z)& =& x+y+z\end{array}$
長公式換行	<math>f(x) \,\!</math> <math>= \sum_{n=0}^\infty a_n x^n </math> <math>= a_0+a_1x+a_2x^2+\cdots</math>	$f(x)$$=\sum _{n=0}^{\mathrm{\infty }}{a}_n{x}^n$$=a_0+a_{1}x+a_2{x}^2+\cdots$
方程組	\begin{cases} 3x + 5y + z \\ 7x - 2y + 4z \\ -6x + 3y + 2z \end{cases}	$\{\begin{array}{c}3x+5y+z\\ 7x-2y+4z\\ -6x+3y+2z\end{array}$
數組	\begin{array}{|c|c||c|} a & b & S \\ \hline 0&0&1\\ 0&1&1\\ 1&0&1\\ 1&1&0\\ \end{array}	$\begin{array}{ccc}a& b& S\\ 0& 0& 1\\ 0& 1& 1\\ 1& 0& 1\\ 1& 1& 0\end{array}$

字體

希蠟文

斜小寫希蠟文者，可置方程也。

正體希臘字母
特徵	語法	效果	註釋/外部鏈接
大寫字母	\Alpha \Beta \Gamma \Delta \Epsilon \Zeta \Eta \Theta	$\mathrm{A}\mathrm{B}\mathrm{\Gamma }\mathrm{\Delta }\mathrm{E}\mathrm{Z}\mathrm{H}\mathrm{\Theta }$	Α Β Γ Δ Ε Ζ Η Θ
	\Iota \Kappa \Lambda \Mu \Nu \Xi \Omicron \Pi	$\mathrm{I}\mathrm{K}\mathrm{\Lambda }\mathrm{M}\mathrm{N}\mathrm{\Xi }O\mathrm{\Pi }$	Ι Κ Λ Μ Ν Ξ Ο Π
	\Rho \Sigma \Tau \Upsilon \Phi \Chi \Psi \Omega	$\mathrm{P}\mathrm{\Sigma }\mathrm{T}\mathrm{{\rm Y}}\mathrm{\Phi }\mathrm{X}\mathrm{\Psi }\mathrm{\Omega }$	Ρ Σ Τ Υ Φ Χ Ψ Ω
小寫字母	\alpha \beta \gamma \delta \epsilon \zeta \eta \theta	$\alpha \beta \gamma \delta ϵ\zeta \eta \theta$
	\iota \kappa \lambda \mu \nu \xi \omicron \pi	$\iota \kappa \lambda \mu \nu \xi o\pi$
	\rho \sigma \tau \upsilon \phi \chi \psi \omega	$\rho \sigma \tau \upsilon \varphi \chi \psi \omega$
異體字母	\Epsilon\epsilon\varepsilon	$\mathrm{E}ϵ\epsilon$
	\Theta\theta\vartheta	$\mathrm{\Theta }\theta \vartheta$
	\Kappa\kappa\varkappa	$\mathrm{K}\kappa \varkappa$
	\Pi\pi\varpi	$\mathrm{\Pi }\pi \varpi$
	\Rho\rho\varrho	$\mathrm{P}\rho \varrho$
	\Sigma\sigma\varsigma	$\mathrm{\Sigma }\sigma \varsigma$
	\Phi\phi\varphi	$\mathrm{\Phi }\varphi \phi$
已停用字母	\digamma	$ϝ$	Ϝ

粗體希臘字母
特徵	語法	效果
大寫字母	\boldsymbol{\Alpha \Beta \Gamma \Delta \Epsilon \Zeta \Eta \Theta}	$\mathrm{A}\mathrm{B}\mathrm{\Gamma }\mathrm{\Delta }\mathrm{E}\mathrm{Z}\mathrm{H}\mathrm{\Theta }$
	\boldsymbol{\Iota \Kappa \Lambda \Mu \Nu \Xi \Omicron \Pi}	$\mathrm{I}\mathrm{K}\mathrm{\Lambda }\mathrm{M}\mathrm{N}\mathrm{\Xi }𝑶\mathrm{\Pi }$
	\boldsymbol{\Rho \Sigma \Tau \Upsilon \Phi \Chi \Psi \Omega}	$\mathrm{P}\mathrm{\Sigma }\mathrm{T}\mathrm{{\rm Y}}\mathrm{\Phi }\mathrm{X}\mathrm{\Psi }\mathrm{\Omega }$
小寫字母	\boldsymbol{\alpha \beta \gamma \delta \epsilon \zeta \eta \theta}	$\mathit{\alpha }\mathit{\beta }\mathit{\gamma }\mathit{\delta }\mathit{ϵ}\mathit{\zeta }\mathit{\eta }\mathit{\theta }$
	\boldsymbol{\iota \kappa \lambda \mu \nu \xi \omicron \pi}	$\mathit{\iota }\mathit{\kappa }\mathit{\lambda }\mathit{\mu }\mathit{\nu }\mathit{\xi }𝒐\mathit{\pi }$
	\boldsymbol{\rho \sigma \tau \upsilon \phi \chi \psi \omega}	$\mathit{\rho }\mathit{\sigma }\mathit{\tau }\mathit{\upsilon }\mathit{\varphi }\mathit{\chi }\mathit{\psi }\mathit{\omega }$
異體字母	\boldsymbol{\Epsilon\epsilon\varepsilon}	$\mathrm{E}\mathit{ϵ}\mathit{\epsilon }$
	\boldsymbol{\Theta\theta\vartheta}	$\mathrm{\Theta }\mathit{\theta }\mathit{\vartheta }$
	\boldsymbol{\Kappa\kappa\varkappa}	$\mathrm{K}\mathit{\kappa }\mathit{\varkappa }$
	\boldsymbol{\Pi\pi\varpi}	$\mathrm{\Pi }\mathit{\pi }\mathit{\varpi }$
	\boldsymbol{\Rho\rho\varrho}	$\mathrm{P}\mathit{\rho }\mathit{\varrho }$
	\boldsymbol{\Sigma\sigma\varsigma}	$\mathrm{\Sigma }\mathit{\sigma }\mathit{\varsigma }$
	\boldsymbol{\Phi\phi\varphi}	$\mathrm{\Phi }\mathit{\varphi }\mathit{\phi }$
已停用字母	\boldsymbol{\digamma}	$\mathit{ϝ}$

黑板粗體

法

\mathbb{ABCDEFGHIJKLMNOPQRSTUVWXYZ}

效

$𝔸𝔹ℂ𝔻𝔼𝔽𝔾ℍ𝕀𝕁𝕂𝕃𝕄\mathbb{N}𝕆\mathbb{P}\mathbb{Q}ℝ𝕊𝕋𝕌𝕍𝕎𝕏𝕐\mathbb{Z}$

黑板粗體（Blackboard bold）表示數學、物理學中之向量並集合之符。

正粗體

法

\mathbf{012…abc…ABC…}

效

$\mathrm{𝟎}\mathrm{𝟏}\mathrm{𝟐}\mathrm{𝟑}\mathrm{𝟒}\mathrm{𝟓}\mathrm{𝟔}\mathrm{𝟕}\mathrm{𝟖}\mathrm{𝟗}$

$𝐚𝐛𝐜𝐝𝐞𝐟𝐠𝐡𝐢𝐣𝐤𝐥𝐦𝐧𝐨𝐩𝐪𝐫𝐬𝐭𝐮𝐯𝐰𝐱𝐲𝐳$

$𝐀𝐁𝐂𝐃𝐄𝐅𝐆𝐇𝐈𝐉𝐊𝐋𝐌𝐍𝐎𝐏𝐐𝐑𝐒𝐓𝐔𝐕𝐖𝐗𝐘𝐙$

備註

花括號{}，只用拉丁字母並數字，非用希臘字母\alpha等。

斜粗體

法

\boldsymbol{012…abc…ABC…\alpha \beta \gamma…}

效

$0123456789$

$𝒂𝒃𝒄𝒅𝒆𝒇𝒈𝒉𝒊𝒋𝒌𝒍𝒎𝒏𝒐𝒑𝒒𝒓𝒔𝒕𝒖𝒗𝒘𝒙𝒚𝒛$

$𝑨𝑩𝑪𝑫𝑬𝑭𝑮𝑯𝑰𝑱𝑲𝑳𝑴𝑵𝑶𝑷𝑸𝑹𝑺𝑻𝑼𝑽𝑾𝑿𝒀𝒁$

$\mathit{\alpha }\mathit{\beta }\mathit{\gamma }\mathit{\delta }\mathit{ϵ}\mathit{\zeta }\mathit{\eta }\mathit{\theta }\mathit{\iota }\mathit{\kappa }\mathit{\lambda }\mathit{\mu }\mathit{\nu }\mathit{\xi }𝒐\mathit{\pi }\mathit{\rho }\mathit{\sigma }\mathit{\tau }\mathit{\upsilon }\mathit{\varphi }\mathit{\chi }\mathit{\psi }\mathit{\omega }$

註

\boldsymbol{}可粗合符。

斜體數字

法

\mathit{0123456789}

效

$0123456789$

羅馬體

法

\mathrm{012…abc…ABC…}或\mbox{}或\operatorname{}

效

$\mathrm{0}\mathrm{1}\mathrm{2}\mathrm{3}\mathrm{4}\mathrm{5}\mathrm{6}\mathrm{7}\mathrm{8}\mathrm{9}$

$\mathrm{A}\mathrm{B}\mathrm{C}\mathrm{D}\mathrm{E}\mathrm{F}\mathrm{G}\mathrm{H}\mathrm{I}\mathrm{J}\mathrm{K}\mathrm{L}\mathrm{M}\mathrm{N}\mathrm{O}\mathrm{P}\mathrm{Q}\mathrm{R}\mathrm{S}\mathrm{T}\mathrm{U}\mathrm{V}\mathrm{W}\mathrm{X}\mathrm{Y}\mathrm{Z}$

$\mathrm{a}\mathrm{b}\mathrm{c}\mathrm{d}\mathrm{e}\mathrm{f}\mathrm{g}\mathrm{h}\mathrm{i}\mathrm{j}\mathrm{k}\mathrm{l}\mathrm{m}\mathrm{n}\mathrm{o}\mathrm{p}\mathrm{q}\mathrm{r}\mathrm{s}\mathrm{t}\mathrm{u}\mathrm{v}\mathrm{w}\mathrm{x}\mathrm{y}\mathrm{z}$

註

羅馬體可用數字並拉丁字母。

哥特體

法

\mathfrak{012…abc…ABC…}

效

$0123456789$

$𝔞𝔟𝔠𝔡𝔢𝔣𝔤𝔥𝔦𝔧𝔨𝔩𝔪𝔫𝔬𝔭𝔮𝔯𝔰𝔱𝔲𝔳𝔴𝔵𝔶𝔷$

$𝔄𝔅ℭ𝔇𝔈𝔉𝔊ℌ\Im 𝔍𝔎𝔏𝔐𝔑𝔒𝔓𝔔\Re 𝔖𝔗𝔘𝔙𝔚𝔛𝔜ℨ$

註

哥特體可用數字並拉丁字母。

手書體

法

\mathcal{ABC…}

效

$𝒜ℬ𝒞𝒟ℰℱ𝒢\mathscr{H}ℐ𝒥𝒦ℒℳ𝒩𝒪𝒫𝒮𝒯𝒰𝒱𝒲𝒳𝒴𝒵$

註

手寫體效大寫拉丁字母。

希伯來字母

法

\aleph\beth\gimel\daleth

效

$\mathrm{\aleph }\beth \gimel \daleth$

括號

功能	語法	顯示
短括號	( \frac{1}{2} )	$(\frac{1}{2})$
長括號	\left( \frac{1}{2} \right)	$\left(\frac{1}{2}\right)$

可用 \left 和 \right ，示異號：

功能	語法	顯示
圓括號，小括號	\left( \frac{a}{b} \right)	$\left(\frac{a}{b}\right)$
方括號，中括號	\left[ \frac{a}{b} \right]	$\left[\frac{a}{b}\right]$
花括號，大括號	\left\{ \frac{a}{b} \right\}	$\left\{\frac{a}{b}\right\}$
角括號	\left \langle \frac{a}{b} \right \rangle	$⟨\frac{a}{b}⟩$
單豎線，絕對值	\left| \frac{a}{b} \right|	$\left|\frac{a}{b}\right|$
雙豎線，範	\left \| \frac{a}{b} \right \|	$\Vert \frac{a}{b}\Vert$
取整函數	\left \lfloor \frac{a}{b} \right \rfloor	$\lfloor \frac{a}{b}\rfloor$
取頂函數	\left \lceil \frac{c}{d} \right \rceil	$\lceil \frac{c}{d}\rceil$
斜線與反斜線	\left / \frac{a}{b} \right \backslash	$/\frac{a}{b}\backslash$
上下箭頭	\left \uparrow \frac{a}{b} \right \downarrow	$\uparrow \frac{a}{b}\downarrow$
	\left \Uparrow \frac{a}{b} \right \Downarrow	$\Uparrow \frac{a}{b}\Downarrow$
	\left \updownarrow \frac{a}{b} \right \Updownarrow	$\updownarrow \frac{a}{b}\Updownarrow$
混合括號	\left [ 0,1 \right ) \left \langle \psi \right |	$[0,1)$ $⟨\psi |$
單左括號	\left \{ \frac{a}{b} \right .	$\{\frac{a}{b}$
單右括號	\left . \frac{a}{b} \right \}	$\frac{a}{b}\}$

備註：

• 可用 \big, \Big, \bigg, \Bigg 制大小

\Bigg ( \bigg [ \Big \{ \big \langle \left | \| \frac{a}{b} \| \right | \big \rangle \Big \} \bigg ] \Bigg )

　示︰

$\left(\right[\{⟨|\Vert x\Vert |⟩\}\left]\right)$

空格

功	法	示	度
2個quad空格	\alpha\qquad\beta	$\alpha \beta$	$2m$
quad空格	\alpha\quad\beta	$\alpha \beta$	$m$
大空格	\alpha\ \beta	$\alpha \beta$	$\frac{m}{3}$
中等空格	\alpha\;\beta	$\alpha \beta$	$\frac{2m}{7}$
小空格	\alpha\,\beta	$\alpha \beta$	$\frac{m}{6}$
沒有空格	\alpha\beta	$\alpha \beta$	$0$
緊貼	\alpha\!\beta	$\alpha \beta$	$-\frac{m}{6}$

色

法

• 字色︰-{}-{\color{色調}表達式}
  
• 背色︰-{}-{\pagecolor{色調}表達式}

表

Colors supported

$\text{Apricot}$	$\text{Aquamarine}$	$\text{Bittersweet}$	$\text{Black}$
$\text{Blue}$	$\text{BlueGreen}$	$\text{BlueViolet}$	$\text{BrickRed}$
$\text{Brown}$	$\text{BurntOrange}$	$\text{CadetBlue}$	$\text{CarnationPink}$
$\text{Cerulean}$	$\text{CornflowerBlue}$	$\text{Cyan}$	$\text{Dandelion}$
$\text{DarkOrchid}$	$\text{Emerald}$	$\text{ForestGreen}$	$\text{Fuchsia}$
$\text{Goldenrod}$	$\text{Gray}$	$\text{Green}$	$\text{GreenYellow}$
$\text{JungleGreen}$	$\text{Lavender}$	$\text{LimeGreen}$	$\text{Magenta}$
$\text{Mahogany}$	$\text{Maroon}$	$\text{Melon}$	$\text{MidnightBlue}$
$\text{Mulberry}$	$\text{NavyBlue}$	$\text{OliveGreen}$	$\text{Orange}$
$\text{OrangeRed}$	$\text{Orchid}$	$\text{Peach}$	$\text{Periwinkle}$
$\text{PineGreen}$	$\text{Plum}$	$\text{ProcessBlue}$	$\text{Purple}$
$\text{RawSienna}$	$\text{Red}$	$\text{RedOrange}$	$\text{RedViolet}$
$\text{Rhodamine}$	$\text{RoyalBlue}$	$\text{RoyalPurple}$	$\text{RubineRed}$
$\text{Salmon}$	$\text{SeaGreen}$	$\text{Sepia}$	$\text{SkyBlue}$
$\text{SpringGreen}$	$\text{Tan}$	$\text{TealBlue}$	$\text{Thistle}$
$\text{Turquoise}$	$\text{Violet}$	$\text{VioletRed}$	$\text{White}$
$\text{WildStrawberry}$	$\text{Yellow}$	$\text{YellowGreen}$	$\text{YellowOrange}$

^＊註︰首字母必大寫，如\color{OliveGreen}。

例

• {\color{Blue}x^2}+{\color{Brown}2x} - {\color{OliveGreen}1}

$x^2+2x-1$

• x_{\color{Maroon}1,2}=\frac{-b\pm\sqrt{{\color{Maroon}b^2-4ac}}}{2a}

$x_{1,2}=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$

用PNG

輸 2x=1 \,：

$2x=1$

↑ 以PNG圖出。

君亦可用 \,\!，亦能強用PNG圖。

閱讀更多：Help:Displaying a formula#Forced PNG rendering