\def\ma{{\sc Macsyma}}
%Given the text  \fd integrate(expr,var)
%
%I would like to have auxiliary temporary definitions be made that
%look like \thisfun = {\tt integrate}
%	   \a1   = {\it expr}
%	   \a2   = {\it var}
%	   ... in general, no more that 5 args ..
%	   \fncall = \thisfn {\rm ( \arg1 , \arg2 )}
%	   insert an index entry  (e.g. \index{\fncall}  in LaTeX )
%
\def\fd1 #1(#2){\def\thisfn{{\tt #1}} %one arg function
	\def\a1{{\it #2}}
	{\bf \thisfn}(\a1 )  %here we would install indexer 
	}

\def\fd2 #1(#2,#3){\def\thisfn{{\tt #1}} %two arg function
	\def\a1{{\it #2}}
	\def\a2{{\it #3}}
	{\bf \thisfn}(\a1 , \a2 )  %here we would install indexer 
	}