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
Alphabet of the Magi the prophets used this letter and that they were forbidden to divulge it to mortal man." Thet alphabet is described in the pseudo-Paracelsian "Archidoxis magica", translated into English by R. Turner (1656). S.L. MacGregor Mathers included it in his 1888 edition of the "Key of Solomon" (plate XV) under the name "Alphabet of the Magi." Alphabet of the Magi Alphabet of the Magi is the modern name of a variant of the Hebrew alphabet used for inscriptions in talismans in 17th-century occultism. It is based on a variant of the Semitic alphabet given by Theseus Ambrosius (1469–1540) in his "Introductio