In a message dated 97-10-16 11:34:19 EDT, you write: << This is *almost* off topic, and I've seen it discussed in alternate forums, but never with a straightforward answer: does anybody have a cheap (okay, maybe free) site/calculator they know of for using death date & age to back into birthdate? >> Cumberland family tree shareware/software has a calculator as a built in feature. It makes the conversion to gregorian and has several calc features including auto field entry, calcing 1st or 2nd dates, interim period etc. rod ==== PENNA-DUTCH Mailing List ==== Abbreviations---PD=Pennsylvania Dutch, PMH=Pennsylvania Mennonite Heritage magazine, MFH=Mennonite family History magazine, MRJ=Mennonite Research Journal, LMHS=Lancaster Mennonite Hist. Society. This and more list info at: http://members.aol.com/PennaDutch/pennadutch.html