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 neededamsmath
\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.