U+03A8 "Ψ" Greek Capital Letter Psi Unicode Character

Unicode Version 18.0

Ψ
Source: Noto Sans Source: Browser Default

U+03A8 "Ψ" Greek Capital Letter Psi is the twenty-third letter of the Greek alphabet, representing the “ps” sound and serving as the direct ancestor of the Latin character “X” through early Western Greek alphabets. In modern contexts, it is widely used as a mathematical and scientific symbol, most famously denoting the wave function in quantum mechanics, as well as representing psychology, parapsychology, and the concept of the psyche in various academic and cultural fields. Its distinctive trident-like shape also makes it a popular icon in typography and popular culture.

Encodings

HTML Decimal Encoding
Ψ
HTML Hex Encoding
Ψ
UTF-8 Encoding
0xCE 0xA8
UTF-16 Encoding
0x03A8
UTF-32 Encoding
0x000003A8
C/C++/Java Escape
\u03a8