U+03D6 "ϖ" Greek Pi Symbol Unicode Character
U+03D6 "ϖ" Greek Pi Symbol is a stylistic variant of the lowercase Greek letter pi, often referred to as "pomega" due to its appearance resembling a combination of a pi and an omega. It is primarily used in mathematical and scientific contexts to represent a specific variation of the constant pi or as a symbol for the circumference of a circle in some early typesetting conventions. Unlike the standard lowercase π, ϖ is not commonly employed in modern typography but can appear in specialized notation, such as in astronomy for representing a planet's orbital longitude or in theoretical physics for certain periodic functions. Its distinctive curved shape, which resembles a backwards e, distinguishes it from the standard pi and preserves a historical typographical alternative.
General Properties
| Code Point | U+03D6 |
| Version Added | 1.1 |
| Name | Greek Pi Symbol |
| Unicode 1.0 Name | Greek Small Letter Omega Pi |
| Block | Greek and Coptic |
| General Category | Lowercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Compat |
| Decomposition Mapping | "π" U+03C0 Greek Small Letter Pi |
Encodings
| HTML Decimal Encoding | ϖ |
| HTML Hex Encoding | ϖ |
| UTF-8 Encoding | 0xCF 0x96 |
| UTF-16 Encoding | 0x03D6 |
| UTF-32 Encoding | 0x000003D6 |
| C/C++/Java Escape | \u03d6 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| Lowercase | Yes |
| Simple Uppercase Code Point | "Π" U+03A0 Greek Capital Letter Pi |
| Simple Titlecase Code Point | "Π" U+03A0 Greek Capital Letter Pi |
| Uppercase Code Point | "Π" U+03A0 Greek Capital Letter Pi |
| Titlecase Code Point | "Π" U+03A0 Greek Capital Letter Pi |
| Simple Case Folding | "π" U+03C0 Greek Small Letter Pi |
| Case Folding | "π" U+03C0 Greek Small Letter Pi |
| Cased | Yes |
| Changes When Casefolded | Yes |
| Changes When Casemapped | Yes |
| Changes When NFKC Casefolded | Yes |
| Changes When Titlecased | Yes |
| Changes When Uppercased | Yes |
| NFKC Casefold | "π" U+03C0 Greek Small Letter Pi |
| NFKC Simple Casefold | "π" U+03C0 Greek Small Letter Pi |
| 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 | Lower |