Hey Bond 007 and Nepalean I got the calculations and formulas that you guys are showing but when I try, it gives me totally different result. 2/12/2007 7/17/2007 4475.00 1/6/1900 (for deducting dates) 3/27/2007 8/14/2007 4700.00 1/5/1900 1/15/2007 7/12/2007 9225.00 1/6/1900 I don't know what is the problem. In nepalean's case, I used exactly the same formula all I get is #########. Puruz