A controversial White House economic advisor acknowledged his "cubic model" demonstrating zero coronavirus deaths by May 15 was generated by "a canned function on Excel, a cubic polynomial." ...

The SPLINE method fits a cubic spline curve to the input values. A cubic spline is a segmented function consisting of third-degree (cubic) polynomial functions joined together so that the whole curve ...

The nature and co-ordinates of roots can be determined using the discriminant and solving polynomials as part of Bitesize Higher Maths ...