# Series

From Maths

## Disambiguation

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**Series** may refer to:

- Series circuit - "wiring in series", as opposed to parallel circuit
- Series (summation) - given a sequence, [ilmath](a_n)_{n\in\mathbb{N} } [/ilmath], the
*series*of this sequence, [ilmath](S_n)_{n\in\mathbb{N} } [/ilmath] for terms defined as [ilmath]S_n:\eq\sum^n_{k\eq 1}a_n[/ilmath]- Special cases include: