语法：

x^2

效果：

\(x^2\)

语法：

x_i

效果：

\(x_i\)

语法：

x^{2y}

效果：

\(x^{2y}\)

语法：

\{\}

效果：

\(\{\}\)

语法：

\frac12

\frac{12}{23}

效果：

\(\frac12\)

\(\frac{12}{23}\)

语法：

\sqrt{x}

\sqrt[3]{x}

效果：

\(\sqrt{x}\)

\(\sqrt[3]{x}\)

语法：

\ldots \cdots

效果：

\(\ldots \cdots\)

语法：

\vec{ a }

效果：

\(\vec{ a }\)

语法：

\int_0^2 x^2 {\rm d}x

\(\int_0^2 x^2 {\rm d}x\)

语法：

\lim\limits_{n \rightarrow +\infty} \frac{1}{n(n+1)}

效果：

\(\lim\limits_{n \rightarrow +\infty} \frac{1}{n(n+1)}\)

语法：

\sum_{i=0}^n i^2

\Sigma_{i=0}^n i^2

效果：

\(\sum_{i=0}^n i^2\)

\(\Sigma_{i=0}^n i^2\)

语法：

\prod_{i=1}^n i^2

\Pi_{i=1}^n i^2

效果：

\(\prod_{i=1}^n i^2\)

\(\Pi_{i=1}^n i^2\)

语法(大写)

效果(大写)

语法(小写)

效果(小写)

\Alpha

\(\Alpha\)

\alpha

\(\alpha\)

\Beta

\(\Beta\)

\beta

\(\beta\)

\Gamma

\(\Gamma\)

\gamma

\(\gamma\)

\Delta

\(\Delta\)

\delta

\(\delta\)

\Epsilon

\(\Epsilon\)

\epsilon

\(\epsilon\)

\Zeta

\(\Zeta\)

\zeta

\(\zeta\)

\Eta

\(\Eta\)

\eta

\(\eta\)

\Theta

\(\Theta\)

\theta

\(\theta\)

\Iota

\(\Iota\)

\iota

\(\iota\)

\Kappa

\(\Kappa\)

\kappa

\(\kappa\)

\Lambda

\(\Lambda\)

\lambda

\(\lambda\)

\Mu

\(\Mu\)

\mu

\(\mu\)

\Nu

\(\Nu\)

\nu

\(\nu\)

\Xi

\(\Xi\)

\xi

\(\xi\)

\Omicron

\(\Omicron\)

\omicron

\(\omicron\)

\Pi

\(\Pi\)

\pi

\(\pi\)

\Rho

\(\Rho\)

\rho

\(\rho\)

\Sigma

\(\Sigma\)

\sigma

\(\sigma\)

\Tau

\(\Tau\)

\tau

\(\tau\)

\Upsilon

\(\Upsilon\)

\upsilon

\(\upsilon\)

\Phi

\(\Phi\)

\phi

\(\phi\)

\Chi

\(Chi\)

\chi

\(\chi\)

\Psi

\(\Psi\)

\psi

\(\psi\)

\Omega

\(\Omega\)

\omega

\(\omega\)

语法

效果

\pm

\(\pm\)

\times

\(\times\)

\div

\(\div\)

\mid

\(\mid\)

\nmid

\(\nmid\)

\cdot

\(\cdot\)

\circ

\(\circ\)

\ast

\(\ast\)

\bigodot

\(\bigodot\)

\bigotimes

\(\bigotimes\)

\bigoplus

\(\bigoplus\)

\le

\(\le\)

\ge

\(\ge\)

\ne

\(\ne\)

\approx

\(\approx\)

\equiv

\(\equiv\)

\sum

\(\sum\)

\prod

\(\prod\)

\coprod

\(\coprod\)

语法

效果

\emptyset

\(\emptyset\)

\in

\(\in\)

\notin

\(\notin\)

\subset

\(\subset\)

\supset

\(\supset\)

\subseteq

\(\subseteq\)

\supseteq

\(\supseteq\)

\bigcap

\(\bigcap\)

\bigcup

\(\bigcup\)

\bigvee

\(\bigvee\)

\bigwedge

\(\bigwedge\)

\biguplus

\(\biguplus\)

\bigsqcup

\(\bigsqcup\)

语法

效果

\log

\(\log\)

\lg

\(\lg\)

\ln

\(\ln\)

语法

效果

\bot

\(\bot\)

\angle

\(\angle\)

30^\circ

\(30^\circ\)

\sin

\(\sin\)

\cos

\(\cos\)

\tan

\(\tan\)

\cot

\(\cot\)

\sec

\(\sec\)

\csc

\(\csc\)

语法

效果

\prime

\(\prime\)

\int

\(\int\)

\iint

\(\iint\)

\iiint

\(\iiint\)

\iiiint

\(\iiiint\)

\oint

\(\oint\)

\lim

\(\lim\)

\infty

\(\infty\)

\nabla

\(\nabla\)

语法

效果

\because

\(\because\)

\therefore

\(\therefore\)

\forall

\(\forall\)

\exists

\(\exists\)

\not=

\(\not=\)

\not>

\(\not>\)

\not\subset

\(\not\subset\)

语法

效果

\hat{y}

\(\hat{y}\)

\check{y}

\(\check{y}\)

\breve{y}

\(\breve{y}\)

语法

效果

\overline{a+b+c+d}

\(\overline{a+b+c+d}\)

\underline{a+b+c+d}

\(\underline{a+b+c+d}\)

\overbrace{a+b+c+d}

\(\overbrace{a+b+c+d}\)

\underbrace{a+b+c+d}

\(\underbrace{a+b+c+d}\)

语法

效果

\uparrow

\(\uparrow\)

\downarrow

\(\downarrow\)

\Uparrow

\(\Uparrow\)

\Downarrow

\(\Downarrow\)

\rightarrow

\(\rightarrow\)

\leftarrow

\(\leftarrow\)

\Rightarrow

\(\Rightarrow\)

\Leftarrow

\(\Leftarrow\)

\longrightarrow

\(\longrightarrow\)

\longleftarrow

\(\longleftarrow\)

\Longrightarrow

\(\Longrightarrow\)

\Longleftarrow

\(\Longleftarrow\)