# \bbSigma

The Σ symbol (Greek capital letter sigma, U+03A3), written as \bbSigma in LaTeX math mode.

https://texform.dev/latex/symbols/bbSigma

## Metadata

| Field | Value |
| --- | --- |
| Topic | [Blackboard bold (bboldx)](https://texform.dev/latex/topics/blackboard-bold) |
| Packages | bboldx |
| Allowed mode | math |
| Glyph | Σ |
| Unicode | U+03A3 GREEK CAPITAL LETTER SIGMA |
| Delimiter | No |

## Syntax

```latex
\bbSigma
```

Takes no arguments.

## In TeXForm

TeXForm parses this entry as a character leaf mapped to U+03A3 (GREEK CAPITAL LETTER SIGMA).