U+2A28 "⨨" Plus Sign with Black Triangle Unicode Character
Unicode Version 17.0
⨨
U+2A28 "⨨" Plus Sign with Black Triangle is a mathematical symbol found in the Supplemental Mathematical Operators block, designed for use in advanced notation, particularly in fields like algebra or logic where it may represent a specialized binary operation or a modified sum. The glyph combines a standard plus sign with a black triangle placed above or integrated with it, visually distinguishing it from the ordinary plus sign. Its inclusion in Unicode ensures it can be reliably represented and rendered across different digital platforms for precise mathematical communication.
General Properties
| Code Point | U+2A28 |
| Version Added | 3.2 |
| Name | Plus Sign with Black Triangle |
| Block | Supplemental Mathematical Operators |
| General Category | Math Symbol |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Other Neutral |
Encodings
| HTML Decimal Encoding | ⨨ |
| HTML Hex Encoding | ⨨ |
| UTF-8 Encoding | 0xE2 0xA8 0xA8 |
| UTF-16 Encoding | 0x2A28 |
| UTF-32 Encoding | 0x00002A28 |
| C/C++/Java Escape | \u2a28 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| NFKC Quick Check | Yes |
| NFKD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| Script | Common |
| Script Extensions | Common |
| Indic Syllabic Category | Other |
| Pattern Syntax | Yes |
| Math | Yes |
| Vertical Orientation | Rotated |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Other |
| Sentence Break | Other |