ring r = 32003,(x,y,z),dp;
  number n = 4/6;
  n;
  ring r0 = 0,x,dp;
  number n = 4/6;
  n;
  ring R=real,x,dp;
  number n=4/6;
  n;
  n=0.25e+2;
  n;
LIB "tst.lib";tst_status(1);$