数学公式
公式 |
LaTex |
$x^2$ |
x^2 |
$x_2$ |
x_2 |
$x_2^2$ |
x_2^2 |
$\cdots$ |
\cdots |
$\sqrt{2}$ |
\sqrt{2} |
$\sqrt[3]{9}$ |
\sqrt[3]{9} |
$\frac{1}{2}$ |
\frac{1}{2} |
$\begin{Bmatrix} a & b \ c & d \end{Bmatrix}$ |
\begin{Bmatrix} a & b \\ c & d \end{Bmatrix} |
$\begin{cases} a & b \ c & d \end{cases}$ |
\begin{cases} a & b \\ c & d \end{cases} |
$\displaystyle\sum_{i=1}^n$ |
\displaystyle\sum_{i=1}^n |
数学符号
二元关系符
二元关系符 |
LaTex |
< |
< |
> |
> |
= |
= |
$\le$ |
\le or \leq |
$\ge$ |
\ge or \geq |
$\ne$ |
\ne or \neq |
二元运算符
二元运算符 |
LaTex |
+ |
+ |
− |
- |
$\times$ |
\times |
$\cdot$ |
\cdot |
$\div$ |
\div |
/ |
/ |
$\setminus$ |
\setminus |
$\pm$ |
\pm |
$\mp$ |
\mp |
$\cup$ |
\cup |
$\cap$ |
\cap |
$\lor$ |
\lor |
$\land$ |
\land |
$\varnothing$ |
\varnothing |
$\overline{AB}$ |
\overline{AB} |
$\underline{AB}$ |
\underline{AB} |
箭头
箭头 |
LaTex |
← |
\leftarrow |
→ |
\rightarrow |
↔ |
\leftrightarrow |
⇐ |
\Leftarrow |
⇒ |
\Rightarrow |
⇔ |
\Leftrightarrow |
↑ |
\uparrow |
↓ |
\downarrow |
↕ |
\updownarrow |
⇑ |
\Uparrow |
⇓ |
\Downarrow |
⇕ |
\Updownarrow |
↗ |
\nearrow |
↘ |
\searrow |
↖ |
\nwarrow |
↙ |
\swarrow |
括号
括号 |
LaTex |
( |
( |
) |
) |
[ |
[ |
] |
] |
{ |
\{ |
} |
\} |
⟨ |
⟨ |
⟩ |
⟩ |
$\vert$ |
\vert |
逻辑符号
逻辑符号 |
LaTex |
$\because$ |
\because |
$\therefore$ |
\therefore |
$\land$ |
\land |
$\lor$ |
\lor |
$\dot{\lor}$ |
\dot{\lor} |
$\implies$ |
\implies |
$\impliedby$ |
\impliedby |
$\iff$ |
\iff |
$\neg$ |
\neg or \lnot |
声调
声调 |
LaTex |
$\bar{a}$ |
\bar{a} |
$\acute{a}$ |
\acute{a} |
$\check{a}$ |
\check{a} |
$\grave{a}$ |
\grave{a} |
小写希腊字母
小写希腊字母 |
LaTex |
α |
\alpha |
β |
\beta |
γ |
\gamma |
δ |
\delta |
ϵ |
\epsilon |
ζ |
\zeta |
η |
\eta |
θ |
\theta |
ι |
\iota |
κ |
\kappa |
λ |
\lambda |
μ |
\mu |
ν |
\nu |
ξ |
\xi |
ο |
\omicron |
π |
\pi |
ρ |
\rho |
σ |
\sigma |
τ |
\tau |
υ |
\upsilon |
ϕ |
\phi |
χ |
\chi |
ψ |
\psi |
ω |
\omega |
ε |
\varepsilon |
ϰ |
\varkappa |
ϑ |
\vartheta |
ϑ |
\thetasym |
ϖ |
\varpi |
ϱ |
\varrho |
ς |
\varsigma |
φ |
\varphi |
ϝ |
\digamma |
大写希腊字母
大写希腊字母 |
LaTex |
A |
\Alpha |
B |
\Beta |
Γ |
\Gamma |
Δ |
\Delta |
E |
\Epsilon |
Z |
\Zeta |
H |
\Eta |
Θ |
\Theta |
I |
\Iota |
K |
\Kappa |
Λ |
\Lambda |
M |
\Mu |
N |
\Nu |
Ξ |
\Xi |
O |
\Omicron |
Π |
\Pi |
P |
\Rho |
Σ |
\Sigma |
T |
\Tau |
Υ |
\Upsilon |
Φ |
\Phi |
X |
\Chi |
Ψ |
\Psi |
Ω |
\Omega |
Γ |
\varGamma |
Δ |
\varDelta |
Θ |
\varTheta |
Λ |
\varLambda |
Ξ |
\varXi |
Π |
\varPi |
Σ |
\varSigma |
Υ |
\varUpsilon |
Φ |
\varPhi |
Ψ |
\varPsi |
Ω |
\varOmega |
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