\[Digamma]
• Aliases: di, digamma.
• Special Greek letter.
• Analogous to English w.
• Sometimes used to denote PolyGamma[x].
• See Section 3.10.3.
• See also: \[CapitalDigamma] , \[Koppa] , \[Stigma] , \[Sampi] .
Usage
\[Digamma] Notes
di, digamma. 
