#R:seismo:-281000:wdl1:17100005:000:272 wdl1!jbn Sep 7 13:57:00 1984 What are you complaining about? Log10 of zero IS infinity. The SUN has the right answer. The VAX is totally wrong. There really is a floating point value which represents infinity in IEEE floating point notation, and that is what you get when you divide by zero.