单个字符 #
\(\Theta\) Θ \(\Omega\) Ω \(\varepsilon\) ε
\(\cap\) ∩ \(\cup\) ∪ \(\partial\) ∂ 偏微分 \(\nabla\) ∇ 哈密顿算子 \(\forall\) ∀
\(\propto\) ∝ \(\pm\) ± \(\approx\) ≈ \(\doteq\) \doteq \(\nsubseteq\) \nsubseteq
组合字符 #
\(\binom{n}{k}\) \binom{n}{k} 二项系数 \(\lfloor x \rfloor\) ⌊ x ⌋ \(\lceil x \rceil\) ⌈ x ⌉
\(\widehat{\phi}\) \widehat{\phi} \(\overline{x}\) \overline{x} \(\sqrt[3]{8}\) \sqrt[3]{8}