Digamma or wau (uppercase: Ϝ, lowercase: ϝ, numeral: ϛ) is an archaic letter of the Greek alphabet. It originally stood for the sound /w/ but it has remained...

In mathematics, the digamma function is defined as the logarithmic derivative of the gamma function: ψ ( z ) = d d z ln ⁡ Γ ( z ) = Γ ′ ( z ) Γ ( z )...

ultimately descended from digamma and closely resembles it in form. After sound changes eliminated /w/ from spoken Greek, digamma was used only as a numeral...

symbols in mathematics, in particular for ε/ϵ and π/ϖ. The archaic letter digamma (Ϝ/ϝ/ϛ) is sometimes used. The Bayer designation naming scheme for stars...

should not be confused with the "open O" letter. (Ɔ) Ⅎ, a turned F or digamma (digamma inversum) to be used instead of the letter V when denoting the consonantal...

functional values of the classic eta versus epsilon system. The letter Digamma (Ϝ) for the sound /w/ was generally used only in those local scripts where...

from the Phoenician waw. The letter was adapted, but split in two, with Digamma or wau ⟨Ϝ⟩ being adapted to represent [w], and the second one being Upsilon...

The hypothetical particle was denoted by the Greek letter Ϝ (pronounced digamma) in the scientific literature, owing to the decay channel in which the...

ζ (zeta) but the number 6 was represented a revived ancient letter ′ϝ (digamma), followed by ′ζ which was pushed up from 6th to its ancient position (7th)...

^{(0)}(z)=\psi (z)={\frac {\Gamma '(z)}{\Gamma (z)}}} holds where ψ(z) is the digamma function and Γ(z) is the gamma function. They are holomorphic on C ∖ Z...

identical-looking Pamphylian Digamma since version 5.1. U+0376 Ͷ GREEK CAPITAL LETTER PAMPHYLIAN DIGAMMA U+0377 ͷ GREEK SMALL LETTER PAMPHYLIAN DIGAMMA U+03FA Ϻ GREEK...

of its Phoenician values, but with different forms: as the Greek letter digamma for the consonant [w], and as the letter upsilon for the vowel [u]. Upsilon...

Ϝ Digamma Ͱ Heta Ϻ San Ϙ Koppa Ͷ Tsan Digamma Ͳ Sampi...

The shape of the rune is likely based on Etruscan v ⟨𐌅⟩ ⟨⟩, like Greek Digamma ⟨Ϝ⟩ and Latin ⟨F⟩ ultimately from Phoenician waw ⟨⟩.[citation needed] The...

Ϝ Digamma Ͱ Heta Ϻ San Ϙ Koppa Ͷ Tsan Digamma Ͳ Sampi...

Ϝ Digamma Ͱ Heta Ϻ San Ϙ Koppa Ͷ Tsan Digamma Ͳ Sampi...

Ϝ Digamma Ͱ Heta Ϻ San Ϙ Koppa Ͷ Tsan Digamma Ͳ Sampi...

Ϝ Digamma Ͱ Heta Ϻ San Ϙ Koppa Ͷ Tsan Digamma Ͳ Sampi...

alphabet were used with the addition of three archaic or local letters: digamma/wau (Ϝ, , originally denoting the sound /w/) for "6", koppa (Ϙ, originally...

Ϝ Digamma Ͱ Heta Ϻ San Ϙ Koppa Ͷ Tsan Digamma Ͳ Sampi...

Ϝ Digamma Ͱ Heta Ϻ San Ϙ Koppa Ͷ Tsan Digamma Ͳ Sampi...

Ϝ Digamma Ͱ Heta Ϻ San Ϙ Koppa Ͷ Tsan Digamma Ͳ Sampi...

Ϝ Digamma Ͱ Heta Ϻ San Ϙ Koppa Ͷ Tsan Digamma Ͳ Sampi...

epsilon). A doublet of waw was also borrowed as a consonant for [w] (Ϝ, digamma). In addition, the Phoenician letter for the emphatic glottal /ħ/ (heth)...

Ϝ Digamma Ͱ Heta Ϻ San Ϙ Koppa Ͷ Tsan Digamma Ͳ Sampi...

languages in the 1920s and 1930s. It is not to be confused with the turned digamma ⟨Ⅎ ⅎ⟩ or with turned f ⟨ɟ⟩. Epitaph of Fuscus at Arrien-en-Bethmale (Ariège)...

Ϝ Digamma Ͱ Heta Ϻ San Ϙ Koppa Ͷ Tsan Digamma Ͳ Sampi...

Ϝ Digamma Ͱ Heta Ϻ San Ϙ Koppa Ͷ Tsan Digamma Ͳ Sampi...

parallel. Zeta has the numerical value 7 rather than 6 because the letter digamma (ϝ, also called 'stigma' as a Greek numeral) was originally in the sixth...

6. In this unrelated function, it is a continuation of the old letter digamma (originally Ϝ, cursive form ), which had served as a numeral since antiquity...