Math.
an identity that when used to multiply a given element in a specified set leaves that element unchanged, as the number 1 for the real-number system.
[ 1955-60 ]
Math.
an identity that when used to multiply a given element in a specified set leaves that element unchanged, as the number 1 for the real-number system.
[ 1955-60 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012