--- loncom/html/adm/help/tex/Spreadsheet_Calculation.tex 2003/08/29 21:08:40 1.1
+++ loncom/html/adm/help/tex/Spreadsheet_Calculation.tex 2003/08/29 21:45:21 1.2
@@ -1,18 +1,16 @@
-\label{Spreadsheet_Completely_Recalc}
-The total number of sheets in course can be tremendous, since it is
+\label{Spreadsheet_Calculation}
+
+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
-Recalc} forces LON-CAPA to invalidate all cache copies.
-\index{Completely Recalc}
+copies if potentially relevant data changes.
-For instance, this is necessary to get the most up-to-date
-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-clock (making it ``out-of-date'' the moment it is calculated), or if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
+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: