# \backslash

The \ symbol (Reverse solidus, U+005C), written as \backslash in LaTeX math mode.

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

## Metadata

| Field | Value |
| --- | --- |
| Topic | [Delimiters](https://texform.dev/latex/topics/delimiters) |
| Packages | base, base |
| Allowed mode | math |
| Glyph | \ |
| Unicode | U+005C REVERSE SOLIDUS |
| Delimiter |  |

## Syntax

```latex
\backslash
```

Takes no arguments.

## Usage frequency

0.28% of formulas in the measured corpus contain this entry, rank 99 of 474 entries with frequency data.

## In TeXForm

TeXForm parses this entry as a character leaf mapped to U+005C (REVERSE SOLIDUS).

## See also

- [\\AA](https://texform.dev/latex/symbols/AA)
- [\\aleph](https://texform.dev/latex/symbols/aleph)
- [\\angle](https://texform.dev/latex/symbols/angle)
- [\\bot](https://texform.dev/latex/symbols/bot)
- [\\clubsuit](https://texform.dev/latex/symbols/clubsuit)
- [\\diamondsuit](https://texform.dev/latex/symbols/diamondsuit)
- [\\ell](https://texform.dev/latex/symbols/ell)
- [\\emptyset](https://texform.dev/latex/symbols/emptyset)
- [\\exists](https://texform.dev/latex/symbols/exists)
- [\\flat](https://texform.dev/latex/symbols/flat)
- [\\forall](https://texform.dev/latex/symbols/forall)
- [\\hbar](https://texform.dev/latex/symbols/hbar)