import "./complex" for Complex var x = Complex.new(1, 3) var y = Complex.new(5, 2) System.print("x = %(x)") System.print("y = %(y)") System.print("x + y = %(x + y)") System.print("x - y = %(x - y)") System.print("x * y = %(x * y)") System.print("x / y = %(x / y)") System.print("-x = %(-x)") System.print("1 / x = %(x.inverse)") System.print("x* = %(x.conj)")