Ψ

Capital Psi Symbol (Ψ)

Copy the Capital Psi symbol Ψ to your clipboard, and see its Unicode code point, HTML entity, LaTeX command and how to type it on any device.

What does Ψ mean?

Ψ is the capital form of Psi, letter 23 of 24 in the Greek alphabet (pronounced SY / PSY). Its lowercase counterpart is ψ. In science and maths it is used for: Wave function in quantum mechanics, stream function.

Codes and properties

CharacterΨ
Unicode nameGREEK CAPITAL LETTER PSI
Code pointU+03A8
Decimal936
Unicode blockGreek and Coptic
HTML entityΨ · Ψ · Ψ
CSS\03A8
JavaScript / JSON\u03A8
Python\u03A8 or \N{GREEK CAPITAL LETTER PSI}
UTF-8 bytesCE A8
LaTeX\Psi

How to type Ψ

  • Copy & paste: press the Copy button above, then paste Ψ anywhere — Word, Google Docs, email, chat or code.
  • Windows (Word, WordPad, Outlook): type 03A8 then press Alt+X. In any app, Win+. opens the symbol panel.
  • Mac: switch to the Unicode Hex Input keyboard, hold Option and type 03A8; or press Ctrl+Cmd+Space and search “greek capital letter psi”.
  • Linux (GTK/IBus): press Ctrl+Shift+U, type 03a8, then Space.
  • HTML: Ψ renders as Ψ.
  • LaTeX: \Psi in math mode (amssymb package for some symbols).

Frequently asked questions

How do I type Ψ on Windows?

In Microsoft Word type 03A8 and press Alt+X. In any app press Win+. to open the symbol panel, or copy Ψ from this page.

What is the HTML code for Ψ?

Use Ψ or Ψ (hex) or Ψ (decimal).

What is the LaTeX command for Ψ?

Use \Psi in math mode.

Related symbols