sage: E = EllipticCurve(FiniteField(43), [-36,0]) sage: E Elliptic Curve defined by y^2 = x^3 + 7*x over Finite Field of size 43 sage: P = E([-3,9]) sage: P + P (17 : 1 : 1)
sage: E = EllipticCurve(FiniteField(13), [-36,0]) sage: P = plot(E,rgbcolor=(0,0,1),pointsize=100) sage: P.show(dpi=200)