\(\alpha, \beta, \omega, \Gamma, \Delta, \Omega, \epsilon, \varepsilon, \phi, \varphi\)

\(x_i^2, \log_2 x\)

\(10^{10}\)

\({x^y}^z, x^{y^z}, x_i^2, x_{i^2}, {x_i}^2\)

\((\frac{\sqrt x}{y^3}), \left(\frac{\sqrt x}{y^3}\right)\)

\((x), [x], \{x\}, |x|, \vert x\vert, \Vert x\Vert, \langle x\rangle, \lceil x\rceil, \lfloor x\rfloor\)

\(\sum_1^n, \sum_{i=0}^\infty i^2\)

\(\prod, \int, \bigcup, \bigcap, \iint, \iiint, \idotsint\)

\(\frac ab, \frac{a+1}{b+1}, {a+1\over b+1}\)

\(\cfrac ab, \cfrac{a+1}{b+1}\)

\(\sqrt{x^3}, \sqrt[3]{\frac xy}\)

\(\lim x, \lim_{x\to 0} x\)

\(\sin x, \cos x, \tan x\)

\(\left[ \begin{array}{cc|c} 1&2&3\\ 4&5&6 \end{array} \right]\)

\(\operatorname{foo}(x)\)

\(\lt, \gt, \le, \ge, \neq\)

\(\not\lt, \not\gt, \not\le, \not\ge\)

\(\times, \div, \pm ,\mp, \cdot\)

\(\cup, \cap, \setminus, \subset, \subseteq, \subsetneq, \supset, \in, \notin, \emptyset, \varnothing\)

\({n+1 \choose 2k}, \binom{n+1}{2k}\)

\(\to, \gets, \rightarrow, \leftarrow, \Rightarrow, \Leftarrow, \mapsto, \implies, \iff\)

\(\land, \lor, \lnot, \forall, \exists, \top, \bot, \vdash, \vDash\)

\(\star, \ast, \oplus, \circ, \bullet\)

\(\approx, \sim, \simeq, \cong, \equiv, \prec, \lhd\)

\(\infty, \aleph_0, \nabla, \partial, \Im, \Re\)

\(a\equiv b\pmod n, a\bmod 17\)

\(\dots\)

\(\hat x, \widehat x, \bar x, \overline x, \vec x, \overrightarrow x, \overleftrightarrow x, \dot x, \ddot x\)

\(\mathbb{ABCDEFG... abcdefg...}\)

\(\Bbb{ABCDEFG... abcdefg...}\)

\(\mathbf{ABCDEFG... abcdefg...}\)

\(\boldsymbol{\alpha, \beta, \omega, \Gamma, \Delta, \Omega, \epsilon, \varepsilon, \phi, \varphi...}\)

\(\mathit{ABCDEFG... abcdefg...}\)

\(\pmb{ABCDEFG... abcdefg...}\)

\(\mathtt{ABCDEFG... abcdefg...}\)

\(\mathrm{ABCDEFG... abcdefg...}\)

\(\mathsf{ABCDEFG... abcdefg...}\)

\(\mathcal{ABCDEFG... abcdefg...}\)

\(\mathscr{ABCDEFG... abcdefg...}\)

\(\mathfrak{ABCDEFG... abcdefg...}\)