# \nonumber

Suppresses automatic equation numbering for a particular row or display in multiline equation environments and other taggable displayed-math contexts.

https://texform.dev/latex/commands/nonumber

## Metadata

| Field | Value |
| --- | --- |
| Topic | [Labels and tags](https://texform.dev/latex/topics/cross-refs) |
| Packages | base |
| Allowed mode | math |
| Tags | invisible |
| Commonality | medium |
| Kind | declarative |

## Syntax

### base

Argument specification: ``

Suppresses automatic equation numbering for a particular row or display in multiline equation environments and other taggable displayed-math contexts.

## Examples

```latex
\nonumber
```

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

## Renderer support

| Package | MathJax | KaTeX | XeTeX |
| --- | --- | --- | --- |
| base | full | full | full |

## Usage frequency

<0.01% of formulas in the measured corpus contain this entry, rank 233 of 263 entries with frequency data.

## In TeXForm

TeXForm parses this entry as declarative syntax; the package determines its argument specification.

## Equivalent forms

```latex
\notag
```

exact. MathJax's ams package provides \notag as a direct alias to the same HandleNoTag implementation.

## See also

- [\\notag](https://texform.dev/latex/commands/notag)

## Test cases

### base

| Input | Case | MathJax | KaTeX | XeTeX |
| --- | --- | --- | --- | --- |
| {\nonumber a} | Positive: baseline | Pass | Pass | Pass |