Greek Small Letter Psi

Part of Greek Letters

Greek Small Letter Psi has no standard Windows Alt code. Copy the character directly, or use its HTML entity or Unicode value instead.

Alt code
None
HTML entity
ψ
Unicode
U+03C8

About this symbol

Psi is the first letter of the Greek psyche, soul or mind, so it stands for psychology and psychiatry. In quantum mechanics ψ is the wave function, the symbol Erwin Schrödinger used for it in 1926.

Unicode facts

Official name
GREEK SMALL LETTER PSI
Type
Lowercase letter
Unicode block
Greek and Coptic
Unicode group
Letters
Added in
Unicode 1.1 (1993)
Capital form
Ψ Greek Capital Letter Psi U+03A8

Click the symbol or any value at the top of the page to copy it. See the full Greek Letters chart for related characters.

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