379+ symbols · 17 categories

LaTeX Symbol Search

Search by name, command, or paste a Unicode character. Click any symbol to copy its LaTeX command. Live KaTeX preview — no compile needed.

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Package guide — what to add to your preamble

base% built-in, no \usepackage needed

amsmath\usepackage{amsmath}

amssymb\usepackage{amssymb}

mathtools\usepackage{mathtools}

textcomp\usepackage{textcomp}

Tips for using symbols in LaTeX

Math mode required

Most symbols only work inside math mode: $\alpha$ or \[ \sum_{i=1}^n \]. Text symbols like \copyright work anywhere.

\left…\right for auto-sizing

Use \left( \right) instead of plain ( ) to get brackets that resize to fit tall expressions like fractions.

\mathbb for number sets

\mathbb{R} requires \usepackage{amssymb}. In beamer, it's usually pre-loaded. Always check if amsmath vs amssymb is needed.

\text{} inside math

For words inside equations — like conditions — use \text{for all } x, not plain text. Requires amsmath.