U+03A4 "Τ" Greek Capital Letter Tau Unicode Character
Unicode Version 18.0
Source: Browser Default
U+03A4 "Τ" Greek Capital Letter Tau is the uppercase form of the twentieth letter in the Greek alphabet, where it represents the voiceless dental or alveolar plosive sound /t/. In the ancient Greek numeral system, it held the numerical value of 300. Visually identical to the Latin capital letter T, Tau holds cultural and religious significance as a symbol of the cross in early Christian traditions, often associated with Saint Anthony. In modern contexts, it is widely used in mathematics and science to denote torque, tau function, and sometimes the golden ratio, while also appearing in the names of stars such as Tau Ceti.
General Properties
Code Point
U+03A4
Name
Greek Capital Letter Tau
Encodings
HTML Decimal Encoding
Τ
HTML Hex Encoding
Τ
UTF-8 Encoding
0xCE 0xA4
UTF-16 Encoding
0x03A4
UTF-32 Encoding
0x000003A4
C/C++/Java Escape
\u03a4
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