From: Damjan Rems Date: 2011-05-24T05:18:01+09:00 Subject: Re: Matz never said Microsoft was the Devil Incarnate. (or did he?) Just my 5 cents. What do you need formulas for. Is your data going to be changed by hand in the future? If not, why not calculate it by your program. by TheR -- Posted via http://www.ruby-forum.com/.