XProfan

+ - \pm \frac{a}{b} x^{n} \sqrt{x} \mp \sin(x) e^{x} \lim_{a \to b} x = \neq \geq \leq \left(...\right) | ... | \left\{ ...\right\} \mathbb R \mathbb N \Rightarrow \infty \equiv \otimes \oplus \cdot \forall \exists \bigcup \in \vec{x} \Im \times K \alpha \beta \gamma \pi \lambda \sqrt[n]{x} \sum\limits_{k=1}^n k \int_a^b \! f(x) \, dx \left[x\right]_{b}^{a} \begin{pmatrix} a_1 \\ a_2 \\ a_3 \end{pmatrix} \begin{vmatrix} a_1 & a_2 & a_3 \\ b_1 & b_2 & b_3 \\ c_1 & c_2 & c_3 \end{vmatrix} \begin{pmatrix} a_1 & a_2 & a_3 \\ b_1 & b_2 & b_3 \\ c_1 & c_2 & c_3 \end{pmatrix} a_{n} \cup \cap \subset \subseteq \vee \wedge X^\perp