# \oiint

The ∯ symbol (Surface integral, U+222F), written as \oiint in LaTeX math mode.

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

## Metadata

| Field | Value |
| --- | --- |
| Topic | [Miscellaneous symbols](https://texform.dev/latex/topics/miscellaneous) |
| Packages | base |
| Allowed mode | math |
| Glyph | ∯ |
| Unicode | U+222F SURFACE INTEGRAL |
| Delimiter | No |

## Syntax

```latex
\oiint
```

Takes no arguments.

## Usage frequency

<0.01% of formulas in the measured corpus contain this entry, rank 362 of 474 entries with frequency data.

## In TeXForm

TeXForm parses this entry as a character leaf mapped to U+222F (SURFACE INTEGRAL).