U+1D482 "𝒂" Mathematical Bold Italic Small A Unicode Character
Unicode Version 17.0
𝒂
U+1D482 "𝒂" Mathematical Bold Italic Small A is a typographic variant of the Latin letter "a" designed for use in mathematical notation. Part of the Mathematical Alphanumeric Symbols block, it combines bold and italic styling to clearly distinguish variables, vectors, or constants from standard text in scientific and technical documents. This character allows authors to represent specific mathematical concepts without relying on formatting markup, ensuring consistent rendering across different platforms and fonts. Its inclusion in Unicode supports precise communication in fields like physics, engineering, and higher mathematics.
General Properties
| Code Point | U+1D482 |
| Version Added | 3.1 |
| Name | Mathematical Bold Italic Small A |
| Block | Mathematical Alphanumeric Symbols |
| General Category | Lowercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Font |
| Decomposition Mapping | "a" U+0061 Latin Small Letter A |
Encodings
| HTML Decimal Encoding | 𝒂 |
| HTML Hex Encoding | 𝒂 |
| UTF-8 Encoding | 0xF0 0x9D 0x92 0x82 |
| UTF-16 Encoding | 0xD835 0xDC82 |
| UTF-32 Encoding | 0x0001D482 |
| C/C++/Java Escape | \ud835\udc82 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| Lowercase | Yes |
| Cased | Yes |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "a" U+0061 Latin Small Letter A |
| NFKC Simple Casefold | "a" U+0061 Latin Small Letter A |
| Script | Common |
| Script Extensions | Common |
| Indic Syllabic Category | Other |
| ID Start | Yes |
| XID Start | Yes |
| ID Continue | Yes |
| XID Continue | Yes |
| Alphabetic | Yes |
| Math | Yes |
| Other Math | Yes |
| Vertical Orientation | Rotated |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Alphabetic letter |
| Sentence Break | Lower |