"Source: Text/System/Func.text";
"Line: 2026";
"Date: Thu Sep 25 14:47:43 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/System/Func.text, line: 2026
// Example: H2E17 ()
print "Example: H2E17";
ei := GetEchoInput();
SetEchoInput(true);
// no-test
Attach("myrat.m");
r := MyRational(3, -9);
r;
s := MyRational(4, 7); 
s;
r+s;
r*s;
SetEchoInput(ei);
