U+2321 "⌡" Bottom Half Integral Unicode Character
Unicode Version 17.0
⌡
U+2321 "⌡" Bottom Half Integral is a typographical symbol used in advanced mathematical typesetting, specifically as part of a two part representation of a large integral sign. When paired with the top half integral symbol U+2320 "⌠", it allows for the construction of a vertically elongated integral sign that can span multiple lines of text or expressions, such as in the rendering of definite integrals with extensive integrands. This character is not typically used in standard keyboard input but appears in specialized mathematical notation systems like TeX and in certain Unicode fonts designed for scientific and technical publishing.
General Properties
| Code Point | U+2321 |
| Version Added | 1.1 |
| Name | Bottom Half Integral |
| Block | Miscellaneous Technical |
| 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 0x8C 0xA1 |
| UTF-16 Encoding | 0x2321 |
| UTF-32 Encoding | 0x00002321 |
| C/C++/Java Escape | \u2321 |
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 |