Symbol LATEX code
αBγΔϵXψΩ \alpha B \gamma \Delta \epsilon \dots X \psi \Omega
< > \subset \subsetneq \subseteq \supset \in \notin < > \subset \subsetneq \subseteq \supset \in \notin
A \approx \Omega A \approx \Omega
X \sim B(n,p) X \sim B(n,p)
\int_a^b \int_a^b
\frac{dx}{dy} \frac{dx}{dy}
\frac{\partial f}{\partial y} \frac{\partial f}{\partial y}
\nabla f \nabla f
\Delta f \Delta f
\lim_{x\to\infty} f(x) \lim_{x\to\infty} f(x)
(\frac{1}{2}) \left(\frac{x}{y}\right) (\frac{1}{2}) \left(\frac{x}{y}\right)
\sum_{i=1}^{\infty}x_{i} \prod_{i=1}^{n}y_{i} \sum_{i=1}^{\infty}x_{i} \prod_{i=1}^{n}y_{i}
\binom{n}{k} \binom{n}{k}
(x+y)^2 = \underbrace{x^2 + 2xy + y^2}_{expand} (x+y)^2 = \underbrace{x^2 + 2xy + y^2}_{expand}
(x+y)^2 = \overbrace{x^2 + 2xy + y^2}^{expand} (x+y)^2 = \overbrace{x^2 + 2xy + y^2}^{expand}
\begin{align} 1 + 2 &= 3\\1 &= 3 - 2 \end{align} \begin{align} 1 + 2 &= 3 \\ 1 &= 3 - 2 \end{align}
\begin{bmatrix} 1 & 2 \\ 4 & 5 \end{bmatrix} \begin{bmatrix} 1 & 2 \\ 4 & 5 \end{bmatrix}
\begin{pmatrix} 1 & 2 \\ 4 & 5 \end{pmatrix} \begin{pmatrix} 1 & 2 \\ 4 & 5 \end{pmatrix}