\section{E Euler Constant (Base of Natural Logarithm)}

\subsection{Usage}

Returns a \verb|double| (64-bit floating point number) value that represents Euler's constant, the base of the natural logarithm.  Typical usage 
\begin{verbatim}
   y = e
\end{verbatim}
This value is approximately 2.718281828459045.
\subsection{Example}

The following example demonstrates the use of the \verb|e| function.
\begin{verbatim}
--> e

ans = 

    2.7183 

--> log(e)

ans = 

 1 


\end{verbatim}
