This app is a computer algebra module for computing real roots of polynomials, by first isolating them. The theorems by Sturm (1827) and Vincent (1834-36) are used. Additionally it computes lower and upper bounds on the values of the positive roots of the poly, factors it and determines whether it has any rational roots. All with the help of Bernard Parisse's open source library giac.
CAVEAT: During App installation, an auxiliary program called Ministro will ask permission to also be installed. Accept, because Ministro is needed to install the libraries.