polynomial6 app for iPhone and iPad
This app is made for the iphone 6 and higher. It calculates the roots of a sixth degree polynomial and less. It gives the roots and the polynomial value for these points which must be small (e.g. 2.3456e-09). Its working with a new method i found to solve polynomials. See the speed.
If you want to contact me use the the E-mail account on screen.