Home › Forums › density functional theory › functions and functionals › Functional This topic has 0 replies, 1 voice, and was last updated 1 year, 2 months ago by jiehuang.fi@gmail.com. Viewing 1 post (of 1 total) Author Posts October 6, 2023 at 6:56 am #9339 jiehuang.fi@gmail.comParticipant The input for a functional is a function, the output is a number. I didn’t know the word other than in DFT. I am not really sure. Let me keep learning. 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