GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
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#W read.g The polymake interface package Sebastian Gutsche
#W
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#R Read the install files.
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#ReadPackage( "example", "gap/files.gi" );
# load kernel function if it is installed:
if (not IsBound(POLYMAKE_CREATE_CONE_BY_RAYS)) and
(Filename(DirectoriesPackagePrograms("PolymakeInterface"), "polymake_main.so") <> fail) then
LoadDynamicModule(Filename(DirectoriesPackagePrograms("PolymakeInterface"), "polymake_main.so"));
fi;
if (not IsBound(POLYMAKE_CREATE_CONE_BY_RAYS)) then
Error( "Failed to load compiled dynamic module.\n" );
fi;
#E read.g . . . . . . . . . . . . . . . . . . . . . . . . . . . . ends here
ReadPackage( "PolymakeInterface", "gap/types.gi" );
ReadPackage( "PolymakeInterface", "gap/additional_methods.gi" );