<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;"><DIV><SPAN class=Apple-style-span style="WORD-SPACING: 0px; FONT: medium 'Times New Roman'; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate; orphans: 2; widows: 2; webkit-border-horizontal-spacing: 0px; webkit-border-vertical-spacing: 0px; webkit-text-decorations-in-effect: none; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"><SPAN class=Apple-style-span style="FONT-SIZE: 13px; COLOR: rgb(51,51,51); FONT-FAMILY: arial, sans-serif"><SPAN class=hps>Hi,</SPAN></SPAN></SPAN></DIV>
<DIV><SPAN class=Apple-style-span style="WORD-SPACING: 0px; FONT: medium 'Times New Roman'; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate; orphans: 2; widows: 2; webkit-border-horizontal-spacing: 0px; webkit-border-vertical-spacing: 0px; webkit-text-decorations-in-effect: none; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"><SPAN class=Apple-style-span style="FONT-SIZE: 13px; COLOR: rgb(51,51,51); FONT-FAMILY: arial, sans-serif"><SPAN class=hps>What</SPAN><SPAN class=Apple-converted-space> </SPAN><SPAN class=hps>mathematical</SPAN><SPAN class=Apple-converted-space> </SPAN><SPAN class=hps>method</SPAN><SPAN class=Apple-converted-space> </SPAN><SPAN class=hps>for</SPAN><SPAN class=Apple-converted-space> </SPAN><SPAN class=hps>computing the</SPAN><SPAN class=Apple-converted-space> </SPAN><SPAN class=hps>optical properties and self
 consist cycle </SPAN><SPAN class=hps>in the</SPAN><SPAN class=Apple-converted-space> </SPAN><SPAN class=hps>quantum</SPAN><SPAN class=Apple-converted-space> espresso</SPAN><SPAN class=Apple-converted-space> </SPAN><SPAN class=hps>is used.</SPAN></SPAN></SPAN></DIV>
<DIV><SPAN class=Apple-style-span style="WORD-SPACING: 0px; FONT: medium 'Times New Roman'; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate; orphans: 2; widows: 2; webkit-border-horizontal-spacing: 0px; webkit-border-vertical-spacing: 0px; webkit-text-decorations-in-effect: none; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px"><SPAN class=Apple-style-span style="FONT-SIZE: 13px; COLOR: rgb(51,51,51); FONT-FAMILY: arial, sans-serif"><SPAN class=hps>thanks.</SPAN></SPAN></SPAN></DIV></td></tr></table>