2018.04.02;一Apr2nd: #ZERO
Who Invented Zero? By Jessie Szalay, Live Science Contributor | September 18, 2017 12:29pm ET The concept of zero, both as a placeholder and as a symbol for nothing, is a relatively recent...
Who Invented Zero? By Jessie Szalay, Live Science Contributor | September 18, 2017 12:29pm ET The concept of zero, both as a placeholder and as a symbol for nothing, is a relatively recent...