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-version 1.1, 2003/08/29 21:08:40
+version 1.2, 2003/08/29 21:45:21
  Line 1
- \label{Spreadsheet_Completely_Recalc}
+ \label{Spreadsheet_Calculation}
- The total number of sheets in course can be tremendous, since it is
+ The total number of spreadsheets in course can be tremendous, since it is
  the number of students times the number of assessments. LON-CAPA
  caches these sheets and only selectively invalidates those cache
- copies if potentially relevant data changes. \textbf{Completely
+ copies if potentially relevant data changes.
- Recalc} forces LON-CAPA to invalidate all cache copies.
- \index{Completely Recalc}
- For instance, this is necessary to get the most up-to-date
+ The automatic spreadsheet devalidation catches student
- calculations if the sheet itself contains direct access to the system
- clock (making it ``out-of-date'' the moment it is calculated), or if
- an assessment is edited in a way that would retroactively change
- grading. The automatic spreadsheet devalidation catches student
  submissions, \textbf{PAR}a\textbf{M}eter changes, and spreadsheet
- changes, but not re-publication of a problem resource.  \label{Spreadsheet_Max_Depth_Exceeded}
+ changes, but not re-publication of a problem resource.
+ \textbf{Spreadsheet_Max_Depth_Exceeded}
  The ``Maximum Calculation Depth Exceeded''\index{Maximum Calculation
  Depth Exceeded error} error can occur when you reference other cells in
  calculations. For example, if you have: