U+1D6AB "𝚫" Mathematical Bold Capital Delta Unicode Character
Unicode Version 17.0
𝚫
U+1D6AB "𝚫" Mathematical Bold Capital Delta is a typographic variant of the uppercase Greek letter Delta, specifically designed for use in mathematical and scientific notation where bold weight distinguishes variables, operators, or vectors. It belongs to the "Mathematical Alphanumeric Symbols" block, which provides distinct styled alphabetic characters to prevent confusion with ordinary text. This bold Delta is commonly employed in fields like physics and engineering to represent change, difference, or the Laplacian operator, ensuring clarity in complex formulas.
General Properties
| Code Point | U+1D6AB |
| Version Added | 3.1 |
| Name | Mathematical Bold Capital Delta |
| Block | Mathematical Alphanumeric Symbols |
| General Category | Uppercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Font |
| Decomposition Mapping | "Δ" U+0394 Greek Capital Letter Delta |
Encodings
| HTML Decimal Encoding | 𝚫 |
| HTML Hex Encoding | 𝚫 |
| UTF-8 Encoding | 0xF0 0x9D 0x9A 0xAB |
| UTF-16 Encoding | 0xD835 0xDEAB |
| UTF-32 Encoding | 0x0001D6AB |
| C/C++/Java Escape | \ud835\udeab |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| Uppercase | Yes |
| Cased | Yes |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "δ" U+03B4 Greek Small Letter Delta |
| NFKC Simple Casefold | "δ" U+03B4 Greek Small Letter Delta |
| 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 | Upper |