Suppress Equation Number \notag

When to use Suppress Equation Number

Suppresses numbering on a selected aligned line. In source, start from the exact \notag command instead of imitating the rendered glyph with Unicode characters or manual spacing. This keeps the expression editable and gives the renderer enough structure to apply mathematical spacing correctly.

Syntax

\notag

The documented syntax belongs to amsmath. Keep every required argument, brace pair, and environment boundary intact when moving the command between an editor, Markdown processor, notebook, or publishing system.

Example

a&=b\\ c&=d\notag

Rendered output

unnumbered line

Copy and compatibility checks

• Copy \notag exactly; changing its case or removing a leading backslash can turn it into plain text.
• Confirm that the destination loads amsmath before relying on this command.
• Render the example once, then inspect grouping, limits, scripts, and spacing before publishing.