I like the tool but I'm aggravated to see that the sysinternals trope of printing BROUGHT TO YOU BY MARK RUSSINOVICH [ovich... ovich...] on every use persists. Pompous.
$ bc
bc 1.06.95
Copyright 1991-1994, 1997, 1998, 2000, 2004, 2006 Free Software Foundation, Inc.
This is free software with ABSOLUTELY NO WARRANTY.
For details type `warranty'.
^C
(interrupt) Exiting bc.