he
input for the DFT directive.  The input to exercise this option is
as follows,
<PRE>
   noio
</PRE>
If this keyword is encountered, then the two matrices (inverted
charge-density and exchange-correlation) are computed ``on-the-fly''
whenever needed.  

<P>
The <code>INCORE</code> option is always assumed to be true but can be
overridden with the option <code>DIRECT</code> in which case all integrals
are computed ``on-the-fly''.

<P>

<P>

<H1><A NAME="SECTION0013120000000000000000">
11.12 <TT>ODFT</TT> a