ICON: https://gist.github.com/rxaviers/7360908
符号（基础）
二元关系
| 符号显示 |
代码 |
显示符号 |
代码 |
| $\leq$ |
\leq |
$\geq$ |
\geq |
| $\leqslant$ |
\leqslant |
$\geqslant$ |
\geqslant |
| $\ne$ |
\ne |
$\approx$ |
\approx |
| $\cong$ |
\cong |
$\simeq$ |
\simeq |
| $\sdot$ |
\sdot |
$\perp$ : |
\perp |
| $\int$ |
\int |
$\iint$ |
\iint |
| $\oint$ |
\oint |
$\infin$ |
\infin |
| $\infty$ |
\infty |
$\in$ |
\in |
| $\propto$ |
\propto |
$\notin$ |
\notin |
| $\cap$ |
\cap |
$\cup$ |
\cup |
| $\subset$ |
\subset |
$\supset$ |
\supset |
| $\subseteq$ |
\subseteq |
$\parallel$ |
\parallel |
| $\forall$ |
\forall |
$\exists$ |
\exists |
| $\because$ |
\because |
$\therefore$ |
\therefore |
二元运算
| + |
+ |
- |
- |
| $\times$ |
\times |
$\div$ |
\div |
| $\setminus$ |
\setminus |
|
|
| $\mp$ |
\mp |
$\pm$ |
\pm or \plusmn |
| $\triangleleft$ |
\triangleleft |
$\triangleright$ |
\triangleright |
| $\cdot$ |
\cdot |
$\dots$ |
\dots |
| $\star$ |
\star |
$\ast$ |
\ast |
| $\cap$ |
\cap |
$\cup$ |
\cup |
| $\circ$ |
\circ |
$\bullet$ |
\bullet |
| $\oplus$ |
\oplus |
$\ominus$ |
\ominus |
| $\otimes$ |
\otimes |
$\odot$ |
\odot |
| $\oslash$ |
\oslash |
|
|
| $\diamond$ |
\diamond |
$\bigcirc$ |
\bigcirc |
| $\bigtriangleup$ |
\bigtriangleup |
$\bigtriangledown$ |
\bigtriangledown |
数学符号
| 符号显示 |
代码 |
显示符号 |
代码 |
| $\alpha$ |
\alpha |
$\beta$ |
\beta |
| $\delta$ |
\delta |
$\Delta$ |
\Delta |
| $\gamma$ |
\gamma |
$\eta$ |
\eta |
| $\mu$ |
\mu |
$\varphi$ |
\varphi |
| $\sigma$ |
\sigma |
$\Sigma$ |
\Sigma |
| $\sum$ |
\sum |
$\prod$ |
\prod (求和) |
| $\flat$ |
\flat |
$\coprod$ |
\coprod |
| $\natural$ |
\natural |
$\sharp$ |
\sharp |
| $\ell$ |
|
$\wp$ |
|
| $\aleph$ |
|
$\mho$ |
|
| $\nabla$ |
\nabla 导数 |
$\partial$ |
\partial |
| $\triangle$ |
|
$\surd$ |
|
| $\top$ |
|
$\angle$ |
|
| $\lnot$ |
\neg或\lnot |
|
|
箭头
| 符号显示 |
代码 |
显示符号 |
代码 |
| $\uparrow$ |
\uparrow |
$\Uparrow$ |
\Uparrow |
| $\downarrow$ |
\downarrow |
$\Downarrow$ |
\Downarrow |
| $\leftarrow$ |
\leftarrow |
$\Leftarrow$ |
\Leftarrow |
| $\rightarrow$ |
\rightarrow |
$\Rightarrow$ |
\Rightarrow |
| $\nearrow$ |
\nearrow |
$\searrow$ |
\searrow |
| $\swarrow$ |
\swarrow |
$\nwarrow$ |
\nwarrow |
| $\leftharpoonup$ |
\leftharpoonup |
$\rightharpoonup$ |
\rightharpoonup |
| $\leftharpoondown$ |
\leftharpoondown |
$\rightharpoondown$ |
\rightharpoondown |
| $\iff$ |
\iff |
$\rightleftharpoons$ |
\rightleftharpoons |
| $\longleftarrow$ |
\longleftarrow |
|
|
P
| 符号显示 |
代码 |
显示符号 |
代码 |
| $\frac{x}{y}$ |
\frac{x}{y} |
$\lfloor{x}\rfloor$ |
\lfloor{x}\rfloor |
| $\left{\right}$ |
\left{\right} |
$\wedge$ |
\wedge |
| $\vee$ |
\vee |
$\overline x$ |
\overline |
| $\hat x$ |
\hat{x} |
$\dot x$ |
\dot{x} |
| $\diamondsuit$ |
\diamondsuit |
$\heartsuit$ |
\heartsuit |
| $\clubsuit$ |
\clubsuit |
$\spadesuit$ |
\spadesuit |
| $\hbar$ |
\hbar |
|
|
| $\Re$ |
\Re |
$\Im$ |
\Im |
|
|
|
|
数学（高数）
| 符号 |
代码 |
符号 |
代码 |
| $\sqrt{N}$ |
\sqrt{N} |
|
|
| $\grave{a}$ |
\grave{a} |
$\check{a}$ |
check{a} |
| $\ddot{a}$ |
\ddot{a} |
$\dot{a}$ |
\dot{a} |
| $\widetilde{A}$ |
\widetilde{A} |
$\widehat{A}$ |
\widehat{A} |
| $\bar{a}$ |
\bar{a} |
$\vec{a}$ |
\vec{a} |
| $\hat{a}$ |
\hat{a} |
$\tilde{a}$ |
\tilde{a} |
| $\breve{a}$ |
\breve{a} |
$\acute{a}$ |
\acute{a} |
|
|
|
|
希腊字母
括号
|
big, Big, bigg, Bigg |
|
| $\Bigg(\bigg(\Big(\big((x)\big)\Big)\bigg)\Bigg)$ |
\Bigg(\bigg(\Big(\big((x)\big)\Big)\bigg)\Bigg){% raw %} |
|
| $\Bigg[\bigg[\Big[\big[[x]\big]\Big]\bigg]\Bigg]$ |
{% raw %}\Bigg[\bigg[\Big[\big[[x]\big]\Big]\bigg]\Bigg]{% raw %} |
|
| $\Bigg{\bigg{ \Big{\big{ {x} \big}\Big} \bigg} \Bigg}$ |
{% raw %}```\Bigg{\bigg{\Big{\big{{x}\big}\Big}\bigg}\Bigg}```{% raw %} | |
### 积分
| | |
| --------------------------- | ------------------------- |
| $\int$ | \int |
| $\iint$ | \iint |
| $\iiint$ | \iiint |
| $\oint$ | \oint |
| $\nabla$ | \nabla |
| $\int_0^2 x^2 \mathrm{d} x$ | \int_0^2 x^2 \mathrm{d} x |
| | |
### 矩阵
$$
\begin{matrix}
1 & 2 & 3 \\
4 & 5 & 6 \\
7 & 8 & 9
\end{matrix} \tag{1}
$$
$$
\left\{
\begin{matrix}
1 & 2 & 3 \\
4 & 5 & 6 \\
7 & 8 & 9
\end{matrix}
\right\} \tag{1}
$$
$$
\left[
\begin{matrix}
1 & 2 & 3 \\
4 & 5 & 6 \\
7 & 8 & 9
\end{matrix}
\right] \tag{2}
$$
$$
\begin{bmatrix}
{a_{11}}&{a_{12}}&{\cdots}&{a_{1n}}\ |
|
| {a_{21}}&{a_{22}}&{\cdots}&{a_{2n}}\ |
|
|
| {\vdots}&{\vdots}&{\ddots}&{\vdots}\ |
|
|
| {a_{m1}}&{a_{m2}}&{\cdots}&{a_{mn}}\ |
|
|
| \end{bmatrix} \tag{5} |
|
|
| $$ |
|
|
参数矩阵
$$
\begin{array}{c|lll}
{↓}&{a}&{b}&{c}\
\hline
{R_1}&{c}&{b}&{a}\
{R_2}&{b}&{c}&{c}\
\end{array} \tag{6}
$$
方程式
$$
\begin{cases}
a_1x+b_1y+c_1z=d_1\
a_2x+b_2y+c_2z=d_2\
a_3x+b_3y+c_3z=d_3\
\end{cases} \tag{8}
$$
对齐 \begin{aligned
$$
\begin{aligned}
x^2 + 6x + 8 &= (x+3)^2-9+8 \
&= (x+3)^2-1 \
&= (x+4)(x+2)
\end{aligned}
$$
Flowchart流程图
Markdown+Flowchart流程图语法_Icyco_的博客-CSDN博客_flowchart markdown
markdown流程图 - 简书
1
2
3
4
5
6
7
8
9
10
11
12
| s=>start: 系统初始化
io=>inputoutput: User Input
c1=>condition: KEY按下？
c2=>condition: 体温正常？
o1=>operation: 开始测温
o2=>operation: LCD屏幕显示体温
o3=>operation: 蜂鸣器响起
e=>end: 测温结束
s->c1(yes)->o1->o2->c2(yes)->e
c1(no)->c1
c2(no)->o3->e
|
Vega图表:
vega 图表 - CSDN
参考资料
【Tools】Markdown数学符号&公式（史上最全公式表）_markdown 求和符号_大江东去浪淘尽千古风流人物的博客-CSDN博客
Markdown常用符号及排版