$scm SCM version 5e5, Copyright (C) 1990-2006 Free Software Foundation. SCM comes with ABSOLUTELY NO WARRANTY; for details type `(terms)'. This is free software, and you are welcome to redistribute it under certain conditions; type `(terms)' for details. ;loading /usr/share/slib/require ;done loading /usr/share/slib/require.scm ;loading /usr/share/slib/require ;done loading /usr/share/slib/require.scm ;loading /usr/lib/scm/Link ;done loading /usr/lib/scm/Link.scm ;loading /usr/lib/scm/Transcen ;done loading /usr/lib/scm/Transcen.scm > (+ 1 2 3) 6 > (- ( + 3 4) (- 4 5 )) # > 7 > -1 > ;WARNING: "/usr/lib/scm/Iedline.scm": unexpected ")"# > (- ( + 3 4) (- 4 5 )) 8 >