"Source: Text/System/State.text";
"Line: 259";
"Date: Wed Mar 24 09:58:40 2021";
"Main: Thu May 25 10:02:38 2023";
// original file: Text/System/State.text, line: 259
// Example: H1E4 ()
print "Example: H1E4";
ei := GetEchoInput();
SetEchoInput(true);
P<[X]> := PolynomialRing(RationalField(), 5);
P;
X;
&+X;  
(&+X)^2;
SetEchoInput(ei);
