% bc bc 1.06 Copyright 1991-1994, 1997, 1998, 2000 Free Software Foundation, Inc. This is free software with ABSOLUTELY NO WARRANTY. For details type `warranty'. 3/2 1 10/3 3 % bc -l (略) 3/2 1.50000000000000000000 10/3 3.33333333333333333333
% bc (略) scale=3 3/2 1.500 10/3 3.333