e row and column indices of the cell; the scanner translates the cell reference to these indices. For more information about the cell library, see <A HREF="../../DataMgmt/Cell/index.htm">the Cell Library chapter</A>.</P><P>
When the evaluator needs to get the value of a cell, it calls a callback routine, passing the cell's <CODE>
CellReference</CODE>
 structure. The application is responsible for looking up the cell's value and returning it to the evaluator. If you manage a cell file with a Spreadsheet obje