SINGULAR                                 /
 A Computer Algebra System for Polynomial Computations       /   version 3-1-3
                                                           0<
 by: W. Decker, G.-M. Greuel, G. Pfister, H. Schoenemann     \   March 2011
FB Mathematik der Universitaet, D-67653 Kaiserslautern        \
> ring r=0,(x,y,t),dp;
> poly p1 = 3842432640y5t3;
> ring s=536870909,(x,y,t),dp;
> poly p2 = 3842432640y5t3;
> poly p1 = fetch(r, p1);
> p1-p2;
--24y5t3
> Auf Wiedersehen.
santiago@santiago-facu:~/Dropbox/Estudio/Proyectos/2011.08-normalModular/LIB$ Singular 
                     SINGULAR                                 /
 A Computer Algebra System for Polynomial Computations       /   version 3-1-3
                                                           0<
 by: W. Decker, G.-M. Greuel, G. Pfister, H. Schoenemann     \   March 2011
FB Mathematik der Universitaet, D-67653 Kaiserslautern        \
> ring r=0,(x,y,t),dp;
> poly p1 = 3842432640*y5t3;
> ring s=536870909,(x,y,t),dp;
> poly p2 = 3842432640*y5t3;
> poly p1 = fetch(r, p1);
> p1-p2;
0
>