\label{Grading Options} The \textbf{grading options\index{grading options}} course environment variable can take three values: \begin{description} \item{\bf\tt standard}: the points for every problem part are partial credit factor times weight \item{\bf\tt external}: all grade information screens are hidden, usually because grades are calculated external to LON-CAPA \item{\bf\tt spreadsheet}: the full spreadsheet is used for grade calculations \end{descriptions}