The Greek Capital Letter Psi symbol (Ψ). Copy and paste it, or use its Unicode, HTML, and CSS codes.
More from Greek Letters.
The quickest way is to copy Ψ from this page and paste it anywhere. You can also insert it with its Unicode, HTML, or alt code listed above.
Ψ is U+03A8 (decimal 936).
Use Ψ in HTML to render Ψ on a web page.
On Windows you can type it with Alt+936 (hold Alt and enter the number on the numeric keypad).
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