## <#GAPDoc Label="Sage">
## <Subsection Label="Sage">
## <Heading>&Sage;</Heading>
## <Example><![CDATA[
## #@if IsBound( TryLaunchCAS_IO_ForHomalg( HOMALG_IO_Sage ).stdout )
## gap> zz := HomalgRingOfIntegersInSage( );
## Z
## gap> Display( zz );
## <An external ring residing in the CAS Sage>
## gap> F2 := HomalgRingOfIntegersInSage( 2, zz );
## GF(2)
## gap> Display( F2 );
## <An external ring residing in the CAS Sage>
## #@fi
## ]]></Example>
## <C>F2 := HomalgRingOfIntegersInSage( 2 )</C> would launch another Sage.
## <Example><![CDATA[
## #@if IsBound( TryLaunchCAS_IO_ForHomalg( HOMALG_IO_Sage ).stdout )
## gap> Z_4 := HomalgRingOfIntegersInSage( zz ) / 4;
## Z/( 4 )
## gap> Display( Z_4 );
## <A residue class ring>
## gap> Q := HomalgFieldOfRationalsInSage( zz );
## Q
## gap> Display( Q );
## <An external ring residing in the CAS Sage>
## gap> F2x := F2 * "x";
## GF(2)[x]
## gap> Display( F2x );
## <An external ring residing in the CAS Sage>
## gap> Qx := Q * "x";
## Q[x]
## gap> Display( Qx );
## <An external ring residing in the CAS Sage>
## #@fi
## ]]></Example>
## </Subsection>
## <#/GAPDoc>
LoadPackage( "RingsForHomalg" );
Print( "~~~~~~~~~~~\n\n" );
Print( "Sage\n\n" );
zz := HomalgRingOfIntegersInSage( );
Display( zz );
F2 := HomalgRingOfIntegersInSage( 2, zz );
Display( F2 );
Z_4 := HomalgRingOfIntegersInSage( zz ) / 4;
Display( Z_4 );
Q := HomalgFieldOfRationalsInSage( zz );
Display( Q );
F2x := F2 * "x";
Display( F2x );
Qx := Q * "x";
Display( Qx );
