$$\pm \times \div \cdot \cap \cup \infty$$

$$\alpha \beta \gamma \delta \theta \pi$$

$$\frac{\partial y}{\partial x}$$

$$\sqrt[n]{x}$$

$$\lim_{x \to \infty}$$

$$\sin \cos \tan \cot \alpha$$

$$\int_{a}^{b} f(x)dx$$

$$\sum_{i=0}^{n} x_i$$

$$\left( \frac{x}{y} \right)$$

$$\begin{bmatrix} a & b \\ c & d \end{bmatrix}$$