Graph


 * |||||| [[image:file:///C:%5CDOCUME%7E1%5CDEBIPE%7E1%5CLOCALS%7E1%5CTemp%5Cmsohtml1%5C01%5Cclip_image001.gif width="447" height="439"]] ||
 * ||||||^  ||||   |||||||| [[image:file:///C:%5CDOCUME%7E1%5CDEBIPE%7E1%5CLOCALS%7E1%5CTemp%5Cmsohtml1%5C01%5Cclip_image002.gif width="333" height="240"]] ||
 * ||||||^  ||||   |||||||| [[image:file:///C:%5CDOCUME%7E1%5CDEBIPE%7E1%5CLOCALS%7E1%5CTemp%5Cmsohtml1%5C01%5Cclip_image002.gif width="333" height="240"]] ||

[[image:file:///C:%5CDOCUME%7E1%5CDEBIPE%7E1%5CLOCALS%7E1%5CTemp%5Cmsohtml1%5C01%5Cclip_image006.gif width="243" height="232" align="left" caption="Text Box: To Give a Zero or Not to Give a Zero"]]
 * |||||| [[image:file:///C:/DOCUME%7E1/DEBIPE%7E1/LOCALS%7E1/Temp/msohtml1/01/clip_image001.gif width="447" height="439"]] ||
 * ||||||^  ||||   |||||||| [[image:file:///C:/DOCUME%7E1/DEBIPE%7E1/LOCALS%7E1/Temp/msohtml1/01/clip_image002.gif width="333" height="240"]] ||
 * ||||||^  ||||||   || [[image:file:///C:/DOCUME%7E1/DEBIPE%7E1/LOCALS%7E1/Temp/msohtml1/01/clip_image003.gif width="162" height="124" caption="Wave: Cons"]] ||
 * ||||||^  ||   |||||||| [[image:file:///C:/DOCUME%7E1/DEBIPE%7E1/LOCALS%7E1/Temp/msohtml1/01/clip_image004.gif width="331" height="235"]] ||
 * ||  || [[image:file:///C:/DOCUME%7E1/DEBIPE%7E1/LOCALS%7E1/Temp/msohtml1/01/clip_image005.gif width="248" height="254"]] ||
 * ||||||^  ||   |||||||| [[image:file:///C:/DOCUME%7E1/DEBIPE%7E1/LOCALS%7E1/Temp/msohtml1/01/clip_image004.gif width="331" height="235"]] ||
 * ||  || [[image:file:///C:/DOCUME%7E1/DEBIPE%7E1/LOCALS%7E1/Temp/msohtml1/01/clip_image005.gif width="248" height="254"]] ||
 * ||  || [[image:file:///C:/DOCUME%7E1/DEBIPE%7E1/LOCALS%7E1/Temp/msohtml1/01/clip_image005.gif width="248" height="254"]] ||
 * ||  || [[image:file:///C:/DOCUME%7E1/DEBIPE%7E1/LOCALS%7E1/Temp/msohtml1/01/clip_image005.gif width="248" height="254"]] ||