[/users/pbb/old_hw/algebra/]

       
       
 (DIR) ..                                                                             
 (DIR) ec                                                 2006-Jul-31 00:11   --------
 (DIR) hw1                                                2006-Jul-31 00:11   --------
 (DIR) hw2                                                2006-Jul-31 00:11   --------
 (DIR) hw3                                                2006-Jul-31 00:11   --------