Math.
the function that assigns to each integer the number of positive integers less than the given integer and relatively prime to the given integer. Also called phi-function .
[ named after L. EULER ]
Math.
the function that assigns to each integer the number of positive integers less than the given integer and relatively prime to the given integer. Also called phi-function .
[ named after L. EULER ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012