U+03A3 "Σ" Greek Capital Letter Sigma Unicode Character
Unicode Version 18.0
Source: Browser Default
U+03A3 "Σ" Greek Capital Letter Sigma is a member of the Greek and Coptic block, representing the eighteenth letter of the Greek alphabet and typically corresponding to the "s" sound in English. In modern Greek, it is the uppercase form used at the beginning or within a word, while in mathematics and science, it is widely recognized as the summation symbol, denoting the total of a series of numbers. Historically derived from the Phoenician letter "shin," Sigma has been a cornerstone of Greek writing since antiquity, appearing in classical texts, inscriptions, and modern academic notation.
General Properties
Code Point
U+03A3
Name
Greek Capital Letter Sigma
Encodings
HTML Decimal Encoding
Σ
HTML Hex Encoding
Σ
UTF-8 Encoding
0xCE 0xA3
UTF-16 Encoding
0x03A3
UTF-32 Encoding
0x000003A3
C/C++/Java Escape
\u03a3
Unicode Properties
Numeric Value
NaN
Simple Lowercase Code Point
Lowercase Code Point
Simple Case Folding
Case Folding
NFKC Casefold
NFKC Simple Casefold
Script Extensions
Greek