\begin{manpage}{Safire Data Analysis System}{decr}{Version 1.0}

\subtitle{Purpose}
    Decrementss the value contained in dataset {\em DSname} by amount
    {\em DECby}. This routine is to be used as a PCT entry only.

\subtitle{PDT Entry}
   INT : DSname ; \\
   INT : DECby = \{10\} ;

\subtitle{PCT Entry}
   a : DS : DECR : DSname, DECby ;
    
\subtitle{Remarks}
   {\em DSname} must be a zero dimensional integer dataset (i.e. a simple variable). 
   {\em DECby} can be a zero dimensional integer dataset, a constant (as declared in
   the PDT configuration file) or an integer numeric value.

\subtitle{See Also}
    {\bf incr}

\subtitle{Author}
    John Burton, G \& A Technical Software Inc.  07/08/91

\end{manpage}

