# \beta

The β symbol (Greek small letter beta, U+03B2), written as \beta in LaTeX math mode.

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

## Metadata

| Field | Value |
| --- | --- |
| Topic | [Greek letters](https://texform.dev/latex/topics/greek) |
| Packages | base |
| Allowed mode | math |
| Glyph | β |
| Unicode | U+03B2 GREEK SMALL LETTER BETA |
| Delimiter | No |

## Syntax

```latex
\beta
```

Takes no arguments.

## Common tasks

### How to write a Greek beta

```latex
\beta
```

[Open in Playground](https://play.texform.dev/?input=%5Cbeta)

### How to write a beta function argument

```latex
B(\alpha,\beta)
```

[Open in Playground](https://play.texform.dev/?input=B%28%5Calpha%2C%5Cbeta%29)

### How to write a Type-II error rate

```latex
\beta = P(\text{accept }H_0\mid H_1)
```

[Open in Playground](https://play.texform.dev/?input=%5Cbeta+%3D+P%28%5Ctext%7Baccept+%7DH_0%5Cmid+H_1%29)

## Usage frequency

7.01% of formulas in the measured corpus contain this entry, rank 10 of 474 entries with frequency data.

## In TeXForm

TeXForm parses this entry as a character leaf mapped to U+03B2 (GREEK SMALL LETTER BETA).