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Annotation of loncom/html/adm/help/tex/Spreadsheet_Referencing_Cells.tex, revision 1.7

1.1       matthew     1: \label{Spreadsheet_Referencing_Cells}
                      2: 
                      3: \textbf{Cells}
                      4: 
1.5       riegler     5: Cells may be specified by simply writing their name enclosed in either single quotes or double quotes. 
1.7     ! raeburn     6: For instance, \texttt{`A17'} and \texttt{``A17''} will be
1.5       riegler     7: replaced with the value in row $A$ column 17 before the Perl command is evaluated.
1.1       matthew     8: 
1.5       riegler     9: \noindent
1.1       matthew    10: \textbf{Ranges}
                     11: 
                     12: Ranges \index{ranges, spreadsheet} specify rectangles of various shapes
                     13: in the spreadsheet, just as ranges do in traditional spreadsheets. 
                     14: Ranges must be enclosed in quotes.  Examples of legitimate ranges: 
                     15: 
                     16: \begin{itemize}
                     17: 
1.6       lira       18: \item \texttt{`*'} - all rows, all columns 
                     19: \item \texttt{`B*'} - all rows in column B 
                     20: \item \texttt{`*5'} - all columns in row 5 
                     21: \item \texttt{`C5'..`F25'} - all cells in the rectangle between C5 and F25
1.1       matthew    22: 
                     23: \end{itemize}
                     24: 
1.6       lira       25: Many functions accept ranges, see \textbf{Special Functions} (\ref{Spreadsheet_Functions}). For example, \texttt{\&SUM(`d*')} will add up all cells in column $d$.
                     26: 
1.1       matthew    27: 
1.5       riegler    28: \noindent
1.1       matthew    29: \textbf{Special References}
                     30: 
                     31: There is an additional means of referencing cells most used in the 
                     32: \textbf{template row} (\ref{Spreadsheet_Template_Row}).  
1.6       lira       33: By using a `\#' in the place of a row number
1.3       www        34: the spreadsheet will replace the \# with the current row number.  For example
1.6       lira       35: \texttt{`B\#'} will be replaced with the contents of cell $B7$ in the row 7 and
1.5       riegler    36: the contents of $B8$ in row 8.