{* *! version 1.0.1  15mar2007}{...}
    {cmd:sqrt(}{it:x}{cmd:)}
{p2colset 8 22 26 2}{...}
{p2col: Domain:}0 to 8e+307{p_end}
{p2col: Range:}0 to 1e+154{p_end}
{p2col: Description:}returns the square root of {it:x}.
{p_end}
{p2colreset}{...}
