<html><body><div style="color:#000; background-color:#fff; font-family:arial, helvetica, sans-serif;font-size:12pt"><div style="RIGHT: auto">I'm using Visual c++ Express 2010 edition and just to point out, I did change all of the .hh header files to .h so they worked properly. Then I decided to run some calculations (for loops and increments) with BigInteger but I get this error returned 7 times: <FONT size=1 face=Consolas><FONT size=1 face=Consolas><FONT size=3>main.obj : error LNK2019: unresolved external symbol<VAR id=yui-ie-cursor></VAR></FONT></div></FONT></FONT></div></body></html>