n = size f
Returns the number of terms of an NCRingElement.
i1 : A = QQ{x,y,z,w} o1 = A o1 : NCPolynomialRing
i2 : f = x^2+y^2+z^3 3 2 2 o2 = z +y +x o2 : A
i3 : size f o3 = 3