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⨨

Plus Sign With Black Triangle Symbol

⨨ is the Plus Sign with Black Triangle symbol (U+2A28) used in math and notation.

U+2A28

The symbol ⨨ (U+2A28) is a math character known as the Plus Sign with Black Triangle. It’s commonly used as a specialized operator or decoration in technical text. You can copy it directly or use the provided HTML/CSS/JavaScript escapes.

Plus Sign With Black Triangle Symbol Meaning

⨨ is the Unicode character named “PLUS SIGN WITH BLACK TRIANGLE” with code point U+2A28. It belongs to the Math category, so it’s typically encountered in mathematical typesetting, where a designer or author wants a specific operator-like mark rather than a plain plus sign. In practice, it can be used to represent a relation, modified addition, or an annotation-style operator in formulas and technical layouts. Because this character is more specific than a standard “+”, it’s best suited for contexts where you need that exact glyph for consistency across documents, posters, or UI text.

Common uses

  • •Math and science documents where a specialized operator symbol is required
  • •Custom formula notation in educational materials or worksheets
  • •Designing technical icons or glyphs for equations and diagram labels
  • •Web UI text for math-heavy dashboards and data visualizations
  • •LaTeX/Unicode-based workflows where the exact Unicode glyph must match

Examples

⨨ Plus Sign with Black Triangle

  • ⨨Let ⨨ denote an operator used in our notation.
  • ⨨Compute a ⨨ b to combine the two terms.
  • ⨨In this diagram, ⨨ marks the modified addition step.
  • ⨨The expression uses ⨨ instead of a standard plus sign.
  • ⨨Tables list ⨨ as the symbol for a specific relation.

Variations

Ready to copy

Technical codes

UnicodeU+2A28
HTML Entity⨨
HTML Code⨨
CSS\2A28
Alt CodeAlt + 10792
Decimal10792

How to type Plus Sign With Black Triangle Symbol (⨨)

On Windows

Hold Alt and type 10792 on the numeric keypad. In Word, type 2A28 then press Alt + X.

On Mac

Switch to the Unicode Hex Input keyboard, then hold Option and type 2A28. Or press Control + Command + Space and search.

On Linux

Press Control + Shift + U, type 2a28, then press Enter or Space.

Anywhere

Copy ⨨ with the button above and paste it wherever you need it — this works on every device and in every app, with no keyboard shortcut to remember.

FAQ

What does the Plus Sign With Black Triangle symbol mean?

⨨ is the Unicode character named “PLUS SIGN WITH BLACK TRIANGLE” with code point U+2A28. It belongs to the Math category, so it’s typically encountered in mathematical typesetting, where a designer or author wants a specific operator-like mark rather than a plain plus sign. In practice, it can be used to represent a relation, modified addition, or an annotation-style operator in formulas and technical layouts. Because this character is more specific than a standard “+”, it’s best suited for contexts where you need that exact glyph for consistency across documents, posters, or UI text.

What is the Unicode code point for ⨨?

The code point for ⨨ is U+2A28.

How can I copy ⨨ reliably in HTML?

Use the HTML entity: ⨨.

What are the CSS and JavaScript escapes for this character?

CSS escape: \\2A28. JavaScript escape: \\u{2A28}.

Is ⨨ the same as the standard plus sign (+)?

No. ⨨ is a distinct Unicode character (Plus Sign with Black Triangle) and has a different glyph and code point than +.