It seems that there were accuracy issues in Calc 1.1. http://www.oooforum.org/forum/viewtopic.phtml?t=7030&postdays=0&postorder=asc&highlight=accuracy+function&start=0 Any info on whether things have improved in more recent versions of Calc? How does Calc compare with Excel in numerical accuracy? -- http://www.standards.com/; See Howard Kaikow's web site.