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Markdown 數學符號速查

bre for IT thead cup sim cde AR wide

表 1: 數學模式重音符

\(\hat{a}\) \hat{a} \(\check{a}\) \check{a} \(\tilde{a}\) \tilde{a} $ \acute{a} $ \acute{a}
\(\grave{a}\) \grave{a} \(\dot{a}\) \dot{a} \(\bar{a}\) \bar{a} $ \ddot{a}$ \ddot{a}
\(\vec{a}\) \vec{a} \(\widehat{A}\) \widehat{A} \(\widetilde{A}\) \widetilde{A} $ \breve{a} $ \breve{a}

表 2: 小寫希臘字母

\(\alpha\) \alpha \(\theta\) \theta \(\upsilon\) \upsilon $ o$ o
\(\beta\) \beta \(\vartheta\) \vartheta \(\pi\) \pi $ \phi$ \phi
\(\gamma\) \gamma \(\iota\) \iota \(\varpi\) \varpi $ \varphi$ \varphi
\(\delta\) \delta \(\kappa\) \kappa \(\rho\) \rho $ \chi$ \chi
\(\epsilon\)
\epsilon
$\lambda $ \lambda \(\varrho\) \varrho $ \psi$ \psi
\(\varepsilon\) \varepsilon $\mu $ \mu \(\sigma\) \sigma $ \omega$ \omega
\(\zeta\) \zeta $\nu $ \nu \(\varsigma\) \varsigma
\(\eta\) \eta $\xi $ \xi \(\tau\) \tau

表 3: 大寫希臘字母

\(\Gamma\) \Gamma \(\Lambda\) \Lambda \(\Sigma\)
\Sigma
\(\Psi\) \Psi
\(\Delta\) \Delta \(\Xi\) \Xi \(\Upsilon\) \Upsilon $ \Omega$ \Omega
\(\Theta\) \Theta \(\Pi\) \Pi \(\Phi\) \Phi

表 4: 數學字母

示例 代碼
\(\mathrm{ABCdef}\) \mathrm{ABCdef}
\(\mathit{ABCdef}\) \mathit{ABCdef}
\(\mathcal{ABC}\) \mathcal{ABC}
\(\mathscr{ABC}\) \mathscr{ABC}
\(\mathfrak{ABCdef}\) \mathfrak{ABCdef}
\(\mathbb{ABC}\) \mathbb{ABC}

表 5: 運算符

示例 代碼 示例 代碼
\(\sum\) \sum $\prod $ \prod
$\bigcup $ \bigcup \(\bigoplus\) \bigoplus
$\bigvee $ \bigvee \(\bigcap\) \bigcap
\(\bigwedge\) \bigwedge \(\biguplus\) \biguplus
\(\bigotimes\) \bigotimes \(\oint\) \oint
\(\int\) \int \(\bigsqcup\) \bigsqcup
\(\coprod\) \coprod \(\bigodot\) \bigodot

表 6: 常用箭頭

示例 代碼 示例 代碼 示例 代碼
\(\leftarrow\) \leftarrow $\rightarrow $ \rightarrow $\leftrightarrow $ \leftrightarrow
\(\longleftarrow\) \longleftarrow $\longrightarrow $ \longrightarrow $\longleftrightarrow $ \longleftrightarrow
\(\Leftarrow\) \Leftarrow $\Rightarrow $ \Rightarrow $\Leftrightarrow $ \Leftrightarrow
\(\Longleftarrow\) \Longleftarrow $\Longrightarrow $ \Longrightarrow $\Longleftrightarrow $ \Longleftrightarrow
\(\uparrow\) \uparrow $\downarrow $ \downarrow $\updownarrow $ \updownarrow

表 7: 其他常用符號

示例 代碼 示例 代碼
\(\therefore\) \therefore $\because $ \because
\(\leqslant\) \leqslant $\geqslant $ \geqslant
\(\thickapprox\) \thickapprox $\thicksim $ \thicksim
\(\neq\) \neq $\in $ \in
\(\pm\) \pm $\sqrt{2} $ \sqrt{2}

Markdown 數學符號速查