{* *! version 1.0.1  15mar2007}{...}
    {cmd:exp(}{it:x}{cmd:)}
{p2colset 8 22 26 2}{...}
{p2col: Domain:}-8e+307 to 709{p_end}
{p2col: Range:}0 to 8e+307{p_end}
{p2col: Description:}returns the exponential function of {it:e}^{it:x}.
	This function is the inverse of {cmd:ln(}{it:x}{cmd:)}.{p_end}
{p2colreset}{...}
