⊑
U+2291
| 名稱 | ⊑ 方形像或等於 |
| 編碼 | U+2291 |
| HTML代碼 | ⊑ ⊑ |
| CSS代碼 | \2291 |
| 實體 | ⊑ |
| 分区 | 數學運算符 |
| 版本 | 1.1 (1993) |
| Age | 1.1 |
| 鏡像 | ⊒ (U+2292) |
| Bidi Paired Bracket Type | None |
| Composition Exclusion | No |
| Case Folding | 2291 |
| Simple Case Folding | 2291 |
編碼
| 編碼 | hex | dec(bytes) | dec | binary |
|---|---|---|---|---|
| UTF-8 | E2 8A 91 | 226 138 145 | 14846609 | 11100010 10001010 10010001 |
| UTF-16BE | 22 91 | 34 145 | 8849 | 00100010 10010001 |
| UTF-16LE | 91 22 | 145 34 | 37154 | 10010001 00100010 |
| UTF-32BE | 00 00 22 91 | 0 0 34 145 | 8849 | 00000000 00000000 00100010 10010001 |
| UTF-32LE | 91 22 00 00 | 145 34 0 0 | 2434924544 | 10010001 00100010 00000000 00000000 |