tion result and waits for the next operation. 
The following instructions will help you understand.<br></font>
<font face="±¼¸²">&nbsp;</font>
<font face="¹ÙÅÁ"><b><u><img src="pencel.gif" border="0"> Example</u></b></font>
<font face="Courier New">Summation&lt;Select text&gt; :</font><font face="±¼¸²"> </font>               <font face="±¼¸²">[Select text '423.500']</font>
<font face="Courier New">Total = 423.500</font>
<font face="Courier New">Sum / + / - / / /Insert/Exit:</font><font face=