U+1D4B6 "𝒶" Mathematical Script Small A Unicode Character
Unicode Version 17.0
𝒶
U+1D4B6 "𝒶" Mathematical Script Small A is a typographic symbol from the Mathematical Alphanumeric Symbols block, designed for use in mathematical and scientific notation to represent a variable or constant in a distinctive calligraphic style, differentiating it from the standard Latin small letter a for clarity in complex formulas. It is part of a larger set of script and bold script letters, and its inclusion in Unicode allows it to be reliably displayed and processed across different computing platforms, supporting precise communication in fields like physics, engineering, and advanced mathematics.
General Properties
| Code Point | U+1D4B6 |
| Version Added | 3.1 |
| Name | Mathematical Script 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 0xB6 |
| UTF-16 Encoding | 0xD835 0xDCB6 |
| UTF-32 Encoding | 0x0001D4B6 |
| C/C++/Java Escape | \ud835\udcb6 |
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 |