Quotient[m, n]Floor[m/n]. When a complex number is involved, it is Round[m/n].Quotient[m, n, d]Floor[(m-d)/n]. When a complex number is involved, it is Round[(m-d)/n]. Plot showing the step-like Floor behavior of Quotient:
DiscretePlot[Quotient[n, 5], {n, 30}]
Integer-argument Quotient:
Quotient[23, 7]
Rational-argument Quotient:
Quotient[19/3, 5/2]
Quotient with inexact numbers:
Quotient[4.56, 2.5]
Quotient with two complex numbers is same as Round[m/n]:
Quotient[10.4 + 8 I, 4. + 5 I]
Quotient for large integers:
Quotient[10^90, NextPrime[10^80]]
Quotient threads elementwise over lists:
Quotient[{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, 3]