How to solve this 4 nonlinear equations in SMath?
I have solved it in Mathcad and copied the solution in SMath.
(Problem - parabola thru 4 points)

Parabola-4-points.sm (17,55 KiB) scaricato 1635 volta(e).

Hi Valery. This could be a way.

Parabola-4-points.sm (13,99 KiB) scaricato 1634 volta(e).

Best regards.
Alvaro.