--- loncom/html/adm/help/tex/Formula_Answers.tex	2008/02/25 21:29:07	1.1
+++ loncom/html/adm/help/tex/Formula_Answers.tex	2008/03/03 22:19:30	1.3
@@ -1,14 +1,14 @@
 \label{Formula_Answers}
 If the answer to your LON-CAPA problem is
 \begin{quote}
-$2x^{2}+6x+\frac{4}{3}$
+\[2x^{2}+6x+\frac{4}{3}\]
 \end{quote}
 You can enter any of the following:
 \begin{itemize}
 \item \begin{verbatim}2x^2+6x+4/3\end{verbatim}
 \item \begin{verbatim}2*x^2+6*x+4/3\end{verbatim}
 \item \begin{verbatim}2(x^2+3x+2/3)\end{verbatim}
-\item or any other equation that is equivalent to the answer
+\item or any other expression that is equivalent to the answer
 \end{itemize}
 
 However, if the answer to your LON-CAPA problem has more than one
@@ -24,11 +24,12 @@ example:
 \end{itemize}
 The computer can figure out that 2x is 2{*}x because it is a number
 times a letter, but it can't tell if xy is a two letter variable or
-if it is x{*}y.
+if it is x{*}y. Also, it is unclear if {\tt exp} is meant to be
+the exponential function or e{*}x{*}p.
 
 If your answer is:
 \begin{quote}
-$\sqrt{4x}$
+\[\sqrt{4x}\]
 \end{quote}
 enter the following as your answer:
 \begin{itemize}
@@ -36,3 +37,6 @@ enter the following as your answer:
 \item\begin{verbatim}2sqrt(x)\end{verbatim}
 \item\begin{verbatim}2*sqrt(x)\end{verbatim}
 \end{itemize}
+Note that LON-CAPA expects expressions, not equations. So
+\begin{verbatim}y=x^2\end{verbatim}
+would not be recognized.