A mathematical symbol representing the concept of infinity used in limits, series, and mathematical bounds.
Examples
Limit approaching infinity
\lim_{x \to \infty} \frac{1}{x} = 0
Infinite interval notation
(0,\infty) = \{x \in \mathbb{R} : x > 0\}
Infinite series
\sum_{n=1}^{\infty} \frac{1}{n^2} = \frac{\pi^2}{6}