scm on solarisで、
SCM version 5d6, Copyright (C) 1990-1999 Free Software Foundation.
;loading /home/research/lpsb/usr/local/lib/slib/require
;done loading /home/research/lpsb/usr/local/lib/slib/require.scm
を実行。

> (+ 1 2)
3
> (+ 1.0 2)
ERROR: unbound variable: 1.0
; in expression: (+ 1.0 2)
; in top level environment.
;STACK TRACE
1; (+ 1.0 2)

実数が使えません・・・。

> (sqrt 4)
ERROR: unbound variable: sqrt
; in expression: (sqrt 4)
; in top level environment.
;STACK TRACE
1; (sqrt 4)

ｓｑｒｔがありません・・・。
なんで？