# Capital Sigma Symbol (Σ)

The capital Greek letter (capital sigma) is used in algebra to represent the summation operator.

Symbol Format Data
Σ Unicode
931
TeX
\Sigma
SVG

## Usage

The summation operator is represented by the symbol Σ (capital sigma) and represents the operation of summing a sequence of expressions together. The operator is used in math to represent the sequence and series.

## Related Symbols

The Greek letter σ (sigma) is used in statistics to represent the standard deviation of a population.