U+29C9 "⧉" Two Joined Squares Unicode Character
Unicode Version 17.0
⧉
U+29C9 "⧉" Two Joined Squares is a typographic symbol depicting two identical squares that are connected along one of their adjacent sides, creating a single shape composed of a left square and a right square without a gap between them. This character belongs to the Miscellaneous Mathematical Symbols-B block and is often used in mathematical notation to represent a specific relation or operation, such as concatenation or adjacency of algebraic elements. Its design can also imply combination, fusion, or a paired structure in technical diagrams or logical contexts.
General Properties
| Code Point | U+29C9 |
| Version Added | 3.2 |
| Name | Two Joined Squares |
| Block | Miscellaneous Mathematical Symbols-B |
| General Category | Math Symbol |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Other Neutral |
| Mirrored | Yes |
Encodings
| HTML Decimal Encoding | ⧉ |
| HTML Hex Encoding | ⧉ |
| UTF-8 Encoding | 0xE2 0xA7 0x89 |
| UTF-16 Encoding | 0x29C9 |
| UTF-32 Encoding | 0x000029C9 |
| C/C++/Java Escape | \u29c9 |
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 |