ψ Greek Small Letter Psi
U+03C8
ψ
ℹ️ About
The Greek Small Letter Psi (ψ) is the 23rd letter of the Greek alphabet. In quantum mechanics, it represents the wave function of a system. It is also the universal symbol for psychology and represents the “Golden Ratio” conjugate in certain mathematical contexts.
⚠️ Note: Do not confuse with Ψ (U+03A8), the uppercase variant.
⚡ Codes
HTML
ψ
CSS
\03C8
Python
\u03C8
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