"psi function" in German psi function Digammafunktion Gauß'sche psi-Funktion Detailed translations for "psi function" psi function psi function(also: digamma function, Gaussian psi-function) die Digammafunktion{feminine} psi function(also: digamma function, Gaussian psi-function) die Gauß'sche psi-Funktion{feminine}