nAcre2Ha()

         Acres into hectares

    Syntax:

         nAcre2Ha( nNumber ) -> nResul

         nNumber : is the value in acres.

    Description:

         Converts an area from acres into hectares.

    Return:

         The value of nNumber converted into hectares.

    Example:

         ? nAcre2Ha( 5 )                        // 2.0234