Home › Forums › density functional theory › functions and functionals › Functional This topic has 0 replies, 1 voice, and was last updated 1 year, 11 months ago by Priyanshu G.. Viewing 1 post (of 1 total) Author Posts January 20, 2023 at 5:44 pm #8287 Priyanshu G.Participant For me STL library acts as a functional as it contains various functions within it which perform various operations. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In