/add_n.s/1.1/Fri Apr  2 00:53:23 2010//
/addmul_1.s/1.1/Fri Apr  2 00:53:23 2010//
/mul_1.s/1.1/Fri Apr  2 00:53:23 2010//
/sub_n.s/1.1/Fri Apr  2 00:53:23 2010//
D
