User Portlet User Portlet

Discussions
Hey, I want to convert the output of the Root function to coordinate in the form {{2,0}{-2,0}}, because I want to view them in the LocatorPane. Thats the code i wrote so far: zero1 = x /. {ToRules[Roots[x^2 - 4 == 0, x]]}; xval[k_] :=...