Concept — Equazione terzo grado. Featured in chapters 10 Linked atoms 10 linked atoms. 10 Equazioni di secondo grado e fratte A complete cubic Cardano after the depressed form Cardano and the quadratic formula Cardano in action Cardano’s formula Checking a root of the cubic Tartaglia, Cardano and the cube formula The case of the vanishing discriminant The depressed form The irreducible case and imaginary numbers