U+0394 "Δ" Greek Capital Letter Delta Unicode Character
Unicode Version 17.0
Δ
U+0394 "Δ" Greek Capital Letter Delta is the uppercase form of the fourth letter in the Greek alphabet. In mathematics and science, it is widely used to represent a change or difference between two values, such as in the expression Δx for a change in x. It also appears in various other contexts, including as the symbol for the Laplace operator, the discriminant in quadratic equations, and the Dirac delta function. Additionally, the capital delta is often used in engineering to denote the angle of a slope or the delta connection in electrical circuits, making it a versatile and fundamental symbol in technical notation.
General Properties
| Code Point | U+0394 |
| Version Added | 1.1 |
| Name | Greek Capital Letter Delta |
| Block | Greek and Coptic |
| General Category | Uppercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
Encodings
| HTML Decimal Encoding | Δ |
| HTML Hex Encoding | Δ |
| UTF-8 Encoding | 0xCE 0x94 |
| UTF-16 Encoding | 0x0394 |
| UTF-32 Encoding | 0x00000394 |
| C/C++/Java Escape | \u0394 |
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 |
| East Asian Width | Ambiguous |
| Uppercase | Yes |
| Simple Lowercase Code Point | "δ" U+03B4 Greek Small Letter Delta |
| Lowercase Code Point | "δ" U+03B4 Greek Small Letter Delta |
| Simple Case Folding | "δ" U+03B4 Greek Small Letter Delta |
| Case Folding | "δ" U+03B4 Greek Small Letter Delta |
| Cased | Yes |
| Changes When Casefolded | Yes |
| Changes When Casemapped | Yes |
| Changes When Lowercased | 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 | Greek |
| Script Extensions | Greek |
| Indic Syllabic Category | Other |
| ID Start | Yes |
| XID Start | Yes |
| ID Continue | Yes |
| XID Continue | Yes |
| Alphabetic | Yes |
| Vertical Orientation | Rotated |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Alphabetic letter |
| Sentence Break | Upper |