--- loncom/html/adm/help/tex/Spreadsheet_Functions.tex 2016/01/03 04:45:45 1.10 +++ loncom/html/adm/help/tex/Spreadsheet_Functions.tex 2016/12/29 02:12:15 1.11 @@ -82,7 +82,7 @@ can be entered as well, if prefixed by \ \noindent In addition, most non-IO Perl functions work in cells. Perl offers a compact \texttt{if} structure using the logic -\texttt{TEST\char`_EXPR?IF\char`_TRUE\char`_EXPR\char`:IF\char`_FALSE\char`_EXPR;}. The \texttt{if} statements can be nested. For example, to scale the points awarded on the assessment spreadsheet (by default in \texttt{Z0}) with the number of tries (by default in \texttt{C0}), the adjusted score can be programmed in an empty cell in assessment spreadsheet row 0, where\\ +\texttt{TEST\char`_EXPR?IF\char`_TRUE\char`_EXPR\char`:IF\char`_FALSE\char`_EXPR;}. The \texttt{if} statements can be nested. Suppose that students are to receive full credit for a correct answer on the first attempt, 3/4 credit for a correct answer on two attempts, and half credit for a correct answer on more than two attempts. To scale the points awarded on the assessment spreadsheet (by default in \texttt{Z0}) with the number of tries (by default in \texttt{C0}), the adjusted score can be programmed in an empty export cell in the Assessment Spreadsheet row 0, as illustrated by the following example:\\ \noindent \texttt{C0$>$2 ? (0.5*Z0) \char`: (C0$>$1 ? (0.75*Z0) \char`: Z0);}\\