LaTeX（LATEX，音译“拉泰赫”）是一种基于ΤΕΧ的排版系统，由美国计算机学家莱斯利·兰伯特（Leslie Lamport）在20世纪80年代初期开发，利用这种格式，即使使用者没有排版和程序设计的知识也可以充分发挥由TeX所提供的强大功能，能在几天、甚至几小时内生成很多具有书籍质量的印刷品。对于生成复杂表格和数学公式，这一点表现得尤为突出。因此它非常适用于生成高印刷质量的科技和数学类文档。这个系统同样适用于生成从简单的信件到完整书籍的所有其他种类的文档。 [1]
x^{a}
x_{a}
x_{a}^{b}
{x_{a}}^{b}
x_{a}^{b}\textrm{C}
\frac{a}{b} ab
x\tfrac{a}{b} xab
\frac{\partial }{\partial x}a ∂∂xa
\frac{\partial^2 }{\partial x^2}a ∂2∂x2a
\frac{\mathrm{d} }{\mathrm{d} x}a ddxa
\int
\int_{a}^{b}
\oint
\oint_{a}^{b}
\iint_{a}^{b}
\bigcap ⋂
\bigcap_{a}^{b}
\bigcup ⋃
\bigcup_{a}^{b}
\lim_{x\rightarrow 0} limx→0
\sum ∑
\sum_{a}^{b} ∑ba
\sqrt{x} x−−√
\sqrt[n]{x} x−−√n
\prod ∏
\prod_{a}^{b} ∏ba
\coprod ∐
\coprod_{a}^{b} ∐ba
\left ( \right ) ()
\left [ \right ] []
\left | \right | ||
\left \{ \right\} {}
\left | \right | ∥∥
\left \langle \right \rangle ⟨⟩
\left \lfloor \right \rfloor ⌊⌋
\left \lceil \right \rceil ⌈⌉
\alpha α
\beta β
\gamma γ
\delta δ
\theta θ
\vartheta ϑ
\iota ι
\kappa κ
\lambda λ
\mu μ
\nu ν
\xi ξ
\pi π
\varpi ϖ
\rho ρ
\varrho ϱ
\sigma σ
\varsigma ς
\tau τ
\upsilon υ
\phi
\varphi
\chi
\psi
\epsilon
\varepsilon
\zeta
\eta
\omega
\Gamma
\Delta
\Theta
\Lambda
\Xi
\Pi
\Sigma
\Upsilon
\Phi
\Psi
\Omega
\leq ≤
\geq ≥
\doteq ≐
\leqslant ⩽
\geqslant ⩾
\equiv ≡
\nless ≮
\ngtr ≯
\neq ≠
\nleqslant
\ngeqslant
\not\equiv ≢
\prec ≺
\succ ≻
\overset{\underset{\mathrm{a}}{b}}{=} =ba
\preceq ⪯
\succeq ⪰
\sim ∼
\ll ≪
\gg ≫
\approx ≈
\vdash ⊢
\dashv ⊣
\simeq ≃
\smile ⌣
\frown ⌢
\cong ≅
\models ⊨
\perp ⊥
\asymp ≍
\mid ∣
\parallel ∥
\propto ∝
\bowtie ⋈
\Join ⋈
{a}' a′
{a}'' a′′
\dot{a} a˙
\ddot{a} a¨
\hat{a} a^
\check{a} aˇ
\grave{a} a`
\acute{a} a´
\tilde{a} a~
\breve{a} a˘
\bar{a} a¯
\vec{a} a⃗
a^{\circ} a∘
\\aa aa
\\AA AA
\\ae ae
\\AE AE
\\o o
\\O O
\\l l
\\L L
\\oe oe
\\OE OE
\\SS SS
\\$ $
\therefore ∴
\because ∵
\cdots ⋯
\ddots ⋱
\vdots ⋮
\S §
\partial ∂
\imath ı
\jmath ȷ
\Re R
\Im I
\forall ∀
\top ⊤
\exists ∃
\mathbb{P} P
\mathbb{N} N
\mathbb{Z} Z
\mathbb{I} I
\mathbb{Q} Q
\mathbb{R} R
\mathbb{C} C
\angle ∠
\measuredangle ∡
\sphericalangle ∢
\varnothing ∅
\infty ∞
\mho ℧
\wp ℘
x \mapsto x^2 x↦x2
n \to n→
\leftarrow ←
\rightarrow →
\Leftarrow ⇐
\Rightarrow ⇒
\leftrightarrow ↔
\Leftrightarrow ⇔
\leftharpoonup ↼
\rightharpoonup ⇀
\leftharpoondown ↽
\rightharpoondown ⇁
\leftrightharpoons ⇋
\rightleftharpoons ⇌
\xleftarrow[a]{b} ←ab
\xrightarrow[a]{b} →ab
\overset{a}{\leftarrow} ←a
\overset{a}{\rightarrow} →a
\underset{a}{\leftarrow} ←a
\underset{a}{\rightarrow} →a
\widetilde{abc} abc˜
\widehat{abc} abcˆ
\overleftarrow{abc} abc←−
\overrightarrow{abc} abc−→
\overline{abc} abc¯¯¯¯¯¯¯
\underline{abc} abc–––
\overbrace{abc} abc
\underbrace{abc} abc
\overset{a}{abc} abca
\underset{a}{abc} abca
\boldsymbol{aaa} aaa
\mathbf{aaa} aaa
\textbf{aaa} aaa
\mathit{aaa} aaa
\textit{aaa} aaa
\mathrm{aaa} aaa
\textrm{aaa} aaa
\mathfrak{aaa} aaa
\mathbb{aaa} aaa
\texttt{aaa} aaa
\pm ±
\mp ∓
\times ×
\ast ∗
\div ÷
\setminus ∖
\dotplus ∔
\amalg ⨿
\dagger †
\ddagger ‡
\wr ≀
\diamond ⋄
\circledcirc ⊚
\circledast ⊛
\cap ∩
\Cap ⋒
\sqcap ⊓
\wedge ∧
\barwedge ⊼
\triangleleft ◃
\lozenge ◊
\circ ∘
\square □
\triangle △
\triangledown ▽
\ominus ⊖
\oslash ⊘
\circleddash ⊝
\cup ∪
\Cup ⋓
\sqcup ⊔
\vee ∨
\veebar ⊻
\triangleright ▹
\blacklozenge ⧫
\blacksquare ■
\blacktriangle ▲
\blacktriangledown ▼
\oplus ⊕
\odot ⊙
\cdot ⋅
\uplus ⊎
\bigsqcup ⨆
\bigtriangleup △
\bigtriangledown ▽
\star ⋆
\bigstar ★
\bigcirc ◯
\bigoplus ⨁
\bigotimes ⨂
\bigodot ⨀
⨀
\begin{matrix}
1 & 2& 6\\
3 & 4& 5
\end{matrix}
\begin{bmatrix}
1& 2& 3\\
4& 5& 6
\end{bmatrix}
\begin{pmatrix}
1 & 2& 3\\
4 & 5& 6
\end{pmatrix}
\bigl(\begin{smallmatrix}
1 & 2 & 3\\
4 & 5 & 6
\end{smallmatrix}\bigr)
\begin{vmatrix}
1 & 2 & 3\\
4 & 5 & 6
\end{vmatrix}
\begin{Bmatrix}
1 & 2 & 3\\
4 & 5 & 6
\end{Bmatrix}
\begin{Vmatrix}
1 & 2 & 3\\
4 & 5 & 6
\end{Vmatrix}
\left\{\begin{matrix}
1 & 2 & 3\\
4 & 5 & 6
\end{matrix}\right.
\left.\begin{matrix}
1 & 2 & 3\\
4 & 5 & 6
\end{matrix}\right|
\left.\begin{matrix}
1 & 2 & 3\\
4 & 5 & 6
\end{matrix}\right\}
\binom{n}{r} (nr)
\begin{cases}
& \text{ if } x=1 \\
& \text{ if } x=2 \\
& \text{ if } x=3
\end{cases}
\begin{align*}
x &= 1\\
y &= 2\\
z &= 3
\end{align*}
原文链接：https://blog.csdn.net/u011436429/article/details/77972513
https://blog.csdn.net/Robot_Starscream/article/details/122376524
