@file{calc} package. Note that @file{calc} has the slightly
non-standard conversion that @samp{/} has lower precedence than
@samp{*}, so that @samp{a/b*c} is interpreted as @samp{a/(b*c)}. Before
-evaluation by @code{calc-eval} (@pxref{Calling Calc from Your Lisp
+evaluation by @code{calc-eval} (@pxref{Calling Calc from Your
Programs,calc-eval,Calling calc from Your Lisp Programs,calc,GNU Emacs
Calc Manual}), variable substitution takes place: