Sigma (Σ)

Definition

The symbol Σ, called sigma, represents the sum of a series of numbers. It is used to express the total value obtained by adding up all the terms in a sequence.

Related terms

Sequence:

A sequence is an ordered list of numbers that follow a specific pattern or rule.

Summation Notation:

Summation notation is another name for sigma (Σ) and is used to represent the sum of a series.

Arithmetic Series:

An arithmetic series is a sequence in which each term after the first is obtained by adding a constant difference to the previous term.