U+229F "⊟" Squared Minus Unicode Character
Unicode Version 17.0
⊟
U+229F "⊟" Squared Minus is a mathematical symbol that represents a minus sign enclosed within a square. It is typically used in algebra or logic to denote a specific binary operation, such as the symmetric difference in set theory or a subtraction operation under a particular algebraic structure. This character belongs to the Mathematical Operators block and is distinct from other squared operators like the plus or times, providing a clear visual cue for operations involving subtraction within a defined set or space.
General Properties
| Code Point | U+229F |
| Version Added | 1.1 |
| Name | Squared Minus |
| Block | 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 0x8A 0x9F |
| UTF-16 Encoding | 0x229F |
| UTF-32 Encoding | 0x0000229F |
| C/C++/Java Escape | \u229f |
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 |