"Source: Text/Basics/RngInt.text";
"Line: 82";
"Date: Thu Sep 25 14:47:46 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Basics/RngInt.text, line: 82
// Example: H19E1 ()
print "Example: H19E1";
ei := GetEchoInput();
SetEchoInput(true);
h := hom< Integers() -> MatrixRing(RealField(12), 3) | >;
h(2)^-1;                                  
SetEchoInput(ei);
