--- loncom/html/adm/help/tex/Spreadsheet_Functions.tex	2003/09/18 20:12:39	1.5
+++ loncom/html/adm/help/tex/Spreadsheet_Functions.tex	2010/08/23 16:16:18	1.9
@@ -1,6 +1,6 @@
 \label{Spreadsheet_Functions}
 The following special functions are available in the spreadsheet.
-Please see \textbf{Referencing Cells} (\ref{Spreadsheet_Referencing_Cells})
+Please see Referencing Cells (\ref{Spreadsheet_Referencing_Cells})
 for information on specifying cells and ranges.
 
 \begin{itemize}
@@ -32,33 +32,47 @@ for information on specifying cells and
   range 
 \index{MIN}
 
-\item \texttt{\&SUMMAX(n ,range)} - sum of the maximum n non-empty
+\item \texttt{\&SUMMAX(n ,range)} - sum of the maximum $n$ non-empty
   cells in range
 \index{SUMMAX}
 
-\item \texttt{\&SUMMIN(n, range)} - sum of the minimum n non-empty
+\item \texttt{\&SUMMIN(n, range)} - sum of the minimum $n$ non-empty
   cells in range
 \index{SUMMIN}
 
-\item \texttt{\&EXT(expression)} - access to EXT function in lonnet
+\item \texttt{\&EXT(expression)} - access to EXT function in lonnet.
+Use \texttt{\&EXT('system.time')} to retrieve the current time.
 \index{EXT}
 
+\item \texttt{\&PARM(parameter)} - get the value of a specific parameter 
+\index{PARM}
+
+\item \texttt{\&MINPARM(expression)} - get the value of a parameter that 
+matches the expression that is the smallest in value (If one specified 
+'opendate' it would return the smallest opendate set on the problem.)
+\index{MINPARM}
+
+\item \texttt{\&MAXPARM(expression)} -  get the value of a parameter that 
+matches the expression that is the largest in value (If one specified 
+'opendate' it would return the largest opendate set on the problem.)
+\index{MAXPARM}
+
 \item \texttt{\&SUMSEQ(column,sequence1,sequence2,sequence3,...)} -
-sum the given column across the folders or sequences listed.  
+sum the given column across the folders or sequences listed.
 
 When specifying a sequence use the full title.  Instead of a sequence title
-the word ``all'' can be used to sum over all sequences.  Regular expressions
-can be entered as well, if prefixed by ``regexp:''.  See below for examples.
+the word \texttt{all} can be used to sum over all sequences.  Regular expressions
+can be entered as well, if prefixed by \texttt{regexp:}.  See below for examples.
 
 \begin{itemize}
 
-\item \texttt{\&SUMSEQ(``Z'',''Chapter 1'');}
+\item \texttt{\&SUMSEQ('Z','Chapter 1');}
 
-\item \texttt{\&SUMSEQ(``Z'',''Chapter 1'',''Chapter 2'',''Chapter 3'');}
+\item \texttt{\&SUMSEQ('Z','Chapter 1','Chapter 2','Chapter 3');}
 
-\item \texttt{\&SUMSEQ(``Z'',''all'');} - sum over all sequences.
+\item \texttt{\&SUMSEQ('Z','all');} - sum over all sequences.
 
-\item \texttt{\&SUMSEQ(``Z'',''regexp:Large Biomolecules'');} -
+\item \texttt{\&SUMSEQ('Z','regexp:Large Biomolecules');} -
  sum over all sequences which match the regular expression 
 /Large Biomolecules/.