0DRIVER ... APPLICATION OF ZERO1 AND ZERO2 TO THE EQUATION
                  X**7 + 28*X**4 - 480 = 0
             WITH BRACKETS  A = 1, B = 2,
             AND TOLERANCES  PRECIS = 2.4E-07 DWARF = 1.2E-38

0OUTPUT FROM ZERO1
   ZERO =  1.922884153029010   A =  1.922885069931603   B =  1.922884153029010   IER =  0
0OUTPUT FROM ZERO2
   ZERO =  1.922884153218980   A =  1.922885070121573   B =  1.922884153218980   IER =  0
