Batir, N.2025-05-102025-05-1020051443-57562-s2.0-27844610266https://hdl.handle.net/20.500.14720/18039In this paper we derive some new inequalities involving the gamma function Γ, polygamma functions ψ = Γ′/Γ and ψ′. We also obtained two new sequences converging to Euler-Mascheroni constant γ very quickly. © 2005 Victoria University. All rights reserved.eninfo:eu-repo/semantics/closedAccessDigamma FunctionEuler'S Constant And Completely MonotonicityGamma FunctionInequalitiesPolygamma FunctionPsi FunctionArticle