Psi (letter) (generalized) positional states of a qubit in a quantum computer. Psi is also used as the symbol for the polygamma function, defined by where formula_3 is the gamma function. The letters Ψ or ψ can also be a symbol for: These characters are used only as mathematical symbols. Stylized Greek text should be encoded using the normal Greek letters, with markup and formatting to indicate text style. Psi (letter) Psi (; uppercase ', lowercase '; "psi" ) is the 23rd letter of the Greek alphabet and has a numeric value of 700. In both Classical and Modern Greek, the letter
Sho (letter) was a survival or reintroduction of the archaic Greek letter San. It closely resembles, perhaps coincidentally, a letter of the Greek-based Carian alphabet which may have also stood for . The name "sho" was coined for the letter for purposes of modern computer encoding in 2002, on the basis of analogy with "rho" (ρ), the letter with which it seems to be graphically related. Ϸ was added to Unicode in version 4.0 (2003), in an uppercase and lowercase character designed for modern typography. Sho (letter) The letter (sometimes called sho or san) was a letter added to the Greek alphabet