A Series in the [[Summation]] of $n$ elements in a given [[Sequence]].
$\huge \begin{align}
a_{n} &= f(x) \\
S_{n} &= \sum^{n} a_{n}
\end{align}$
## Infinite Series
An [[Infinity|Infinite]] Series is a special case where we ask for the [[Limits|Limit]] of $S_n$ as $n\to \infty$.
$\huge S = \sum^{\infty} a_{n} $
>[!example]-
> See [[Convergent Series]]