>> Excel 2007 thinks 850 * 77.1 = 100,000. Wrong it's 65,535. Just check >> with Google so Excel 2007 is only out by 34,465 or 65.535%. >> > I've just got my boss to try it on her Excel 2007 - and its true - > 2007 comes up with an answer of 100000. Wonderful, don't we just love Microsoft !*! Can we find any such anomolies in OOo Calc ?