bc
$ 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'. 5 + (10 * 2 ) 25 quit $やたらとman bcが長い。工夫次第でいろいろできるみた…
$ 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'. 5 + (10 * 2 ) 25 quit $やたらとman bcが長い。工夫次第でいろいろできるみた…