希腊字母

公式 语法
\(\alpha\) \alpha
\(\theta\) \theta
\(o\) o
\(\tau\) \tau
\(\beta\) \beta
\(\pi\) \pi
\(\upsilon\) \upsilon
\(\gamma\) \gamma
\(\iota\) \iota
\(\omega\) \omega
\(\phi\) \phi
\(\varphi\) \varphi
\(\epsilon\) \epsilon
\(\lambda\) \lambda
\(\chi\) \chi
\(\varepsilon\) \varepsilon
\(\mu\) \mu
\(\sigma\) \sigma
\(\psi\) \psi
\(\zeta\) \zeta
\(\nu\) \nu
\(\eta\) \eta
\(\xi\) xi
\(\Gamma\) \Gamma
\(\Lambda\) \Lambda
\(\Sigma\) \Sigma
\(\Psi\) \Psi
\(\Delta\) \Delta
\(\Upsilon\) \Upsilon
\(\Omega\) \Omega
\(\Theta\) \Theta
\(\Pi\) \Pi
\(\Phi\) \Phi

 

运算符

公式 语法
\(\sum\) \sum
\(\prod\) \prod
\(\lim\) \lim
\(\infty\) \infty
\(+\infty\) +\infty
\(-\infty\) \infty
\(\lim_{i \to \infty}\) \lim_{i \to \infty}
\(\int\) \int
\(\iint\) \iint
\(\iiint\) \iiint
\(+\) +
\(-\) -
\(*\) *
\(/\) /
\(\pm\) \pm
\(\times\) \times
\(\div\) \div
\(\cdot\) \cdot
\(=\) =
\(\leq\) \leq
\(\geq\) \geq
\(\neq\) \neq
\(\approx\) \approx
\(\equiv\) \equiv
\(\lt\) \lt
\(\gt\) \gt
\(\binom{n}{k}\) \binom{n}{k}
\(\mathrm{C}_n^k\) \mathrm{C}_n^k
\(\mathrm{A}_n^k\) \mathrm{A}_n^k}
\(\sqrt{}\) \sqrt{}
\(\sqrt{2}\) \sqrt{2}
\(\sqrt[3]{2}\) \sqrt[3]{2}
\(\frac{1}{2}\) \frac{1}{2}
\(\dfrac{1}{2}\) \dfrac{1}{2}
\(\tfrac{1}{2}\) \tfrac{1}{2}

 

集合

公式 语法
\(\mathbb{R}\) \mathbb{R}
\(\mathbb{Q}\) \mathbb{Q}
\(\mathbb{Z}\) \mathbb{Z}
\(\mathbb{N}\) \mathbb{N}
\(\mathbb{I}\) \mathbb{I}
\(\mathbb{C}\) \mathbb{C}
\(\mathbb{P}\) \mathbb{P}
\(\mathbb{W}\) \mathbb{W}
\(\empty\) \empty

 

集合关系

公式 语法
\(\cap\) \cap
\(\cup\) \cup
\(\in\) \in
\(\notin\) \notin
\(\subset\) \subset
\(\subseteq\) \subseteq
\(\subsetneq\) \subsetneq
\(\supset\) \supset
\(\supseteq\) supseteq
\(\supsetneq\) \subsetneq
\(\not\subset\) \not\subset
\(\not\subseteq\) \not\subseteq
\(\mid\) \mid
\(\overline{A}\) \overline{A}
\(A \setminus B\) A \setminus B

 

箭头符号

公式 语法
\(\rightarrow\) \rightarrow
\(\leftarrow\) \leftarrow
\(\leftrightarrow\) \leftrightarrow
\(\Rightarrow\) \Rightarrow
\(\Leftarrow\) \Leftarrow
\(\Leftrightarrow\) \Leftrightarrow
\(\uparrow\) \uparrow
\(\downarrow\) \downarrow
\(\Uparrow\) \Uparrow
\(\Downarrow\) \Downarrow
\(\longrightarrow\) \longrightarrow
\(\longleftarrow\) \longleftarrow
\(\Longrightarrow\) \Longrightarrow
\(\Longleftarrow\) \Longleftarrow
\(\Longleftrightarrow\) \Longleftrightarrow
\(\nearrow\) \nearrow
\(\searrow\) \searrow
\(\nwarrow\) \nwarrow
\(\swarrow\) \swarrow

 

其它

公式 语法
\(a \dots b\) a \dots b
\(a \cdots b\) a \cdots b
\(\boxed{A = B}\) \boxed{A = B}
\(ab\) ab
\(a \, b\) a \, b
\(a \; b\) a \; b
\(a \ b\) a \ b
\(a \! b\) a \! b
\(a \quad b\) a \quad b
\(a \qquad b\) a \qquad b
\(\hat{x}\) \hat{x}
\(\tilde{x}\) \tilde{x}
\(\bar{x}\) \bar{x}