Riddle answer consists of 6 characters and was created by Mastermind
I am known by all in the scientific community, although I am not a person. The Americans' dislike me for some reason, 😕🙁😳 but I really am a quiteuseful system.
Guest:"I take two steps in the morning, four in the afternoon, one in the evening. It's almost unknown to the old man, but it's simple to the little children"