加法：\(a + b = c\)
分数：\(\frac{a}{b}\)
根号：\(\sqrt{a}\)
上标：\(a^2 + b^2 = c^2\)
下标：\(a_1 + a_2 + a_3\)
小写希腊字母：\(\alpha, \beta, \gamma\)
大写希腊字母：\(\Gamma, \Delta, \Theta\)
正弦：\(\sin \theta\)
反三角函数：\(\arcsin x\)
求和：\(\sum_{i=1}^{n} a_i\)
积分：\(\int_{a}^{b} f(x) \, dx\)
极限：\(\lim_{x \to \infty} \frac{1}{x} = 0\)
导数：\(\frac{d}{dx} x^n = nx^{n-1}\)
矩阵：\(A = \begin{pmatrix} a & b \\ c & d \end{pmatrix}\)
行列式：\(\det(A) = \begin{vmatrix} a & b \\ c & d \end{vmatrix} = ad - bc\)
等差数列：\(a_n = a_1 + (n-1)d\)
等比数列：\(a_n = a_1 \cdot r^{n-1}\)
向量：\(\vec{v} = \langle a, b, c \rangle\)
点积：\(\vec{a} \cdot \vec{b} = a_1b_1 + a_2b_2 + a_3b_3\)
绝对值：\(|x|\)
无穷大：\(\infty\)