LaTeX

Math

  • \alpha, \Alpha
  • \beta, \Beta
  • …
  • \sin, \cos, \tan, …

Subscripts — a_1 a_{n+1}

Superscripts — a^2 a^{n+1}

\frac{1}{2}

\sqrt{2}

Sums

  • \sum_{x=1}^{\infty} \frac{1}{x}
  • \sum_{init}^{limit} term

Integrals

\int_{lower}^{upper} term \mathrm{d}x

Big operators

  • \sum
  • \prod
  • \int

Formatting

  • Roman — \mathrm
  • Italic — \mathit
  • Bold — \mathbf
  • Calligraphic — \mathcal
  • Double-lined — \mathbb

Symbols

  • \leq, \geq
  • \subset, \supset, \subseteq, \supseteq
  • \therefore, \because
  • \pm, \mp
  • \times, \div, \cdot
  • \cap, \cup
  • \exists, \nexists, \forall
  • \neg, \land, \lor
  • \subset, \supset, \in, \notin
  • \dots, \cdots, \vdots, \ddots