U+03A0 "Π" Greek Capital Letter Pi Unicode Character

U+03A0 "Π" Greek Capital Letter Pi is the uppercase form of the sixteenth letter of the Greek alphabet, derived from the Phoenician letter "pe," and it represents the voiceless bilabial plosive sound /p/ in Ancient and Modern Greek. In mathematics and science, it is most famously used as the symbol for the constant pi (π), representing the ratio of a circle's circumference to its diameter, though this constant is typically written in lowercase. It also frequently appears in fields such as engineering, physics, and statistics to denote product operations, osmotic pressure, or the population mean in a given distribution.

General Properties

Code Point	U+03A0
Version Added	1.1
Name	Greek Capital Letter Pi
Block	Greek and Coptic
General Category	Uppercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right

Encodings

HTML Decimal Encoding	Π
HTML Hex Encoding	Π
UTF-8 Encoding	0xCE 0xA0
UTF-16 Encoding	0x03A0
UTF-32 Encoding	0x000003A0
C/C++/Java Escape	\u03a0

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	"π" U+03C0 Greek Small Letter Pi
Lowercase Code Point	"π" U+03C0 Greek Small 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 Lowercased	Yes
Changes When NFKC Casefolded	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	Upper