# Infinity(∞) symbol in LaTeX.

Symbol Infinity
Type of symbol Mathematics
Package (requirement) No
Argument No
Latex command \infty
Example \infty → ∞

One of the most popular symbols in mathematics is Infinity, the \infty command used to write this symbol in latex.

Below are some examples of the use of \infty command.

\documentclass{article}
\begin{document}
$$\int_{-\infty}^\infty exp(-x^2)dx$$
$$\sum^\infty_{k=1} k$$
\end{document}

Output :