Excellent, my deepest gratitude to all of you who were kind to send me references about this. I'll try to remember to keep these in my archives for future reference.
It seems indeed that BIPM put its head on the sand for this one. But then again, as Joe Reid so aptly put it, doing this *rigorously* for a specific year "size" would be a challenge to these guys at BIPM's headquarters... Marcus On Wed, 22 Oct 2003 15:25:19 RobertHB wrote: > 2003 October 22 >In USMA 27237 Marcus asks for a symbol for year. >As others have reported, BIPM has no symbol for year. > >IEEE/ASTM SI10 shows "year of 365 days (y)" on page 33. >Note that this is in Annex B. Annex B is "informative" which >is to say it is not part of the standard. > >ISO 1000-1992 lists time units in Annex A (normative) on >page 8 in item 1-7. "Normative" means it is part of the standard. >In the remarks column 7 is this note: > Other units such as week, month and year (a) > are in common use. The definitions of month and > year often need to be specified. > >ISO 31-1992 lists time units in Annex B (informative) >Other non-SI units. On page 11 in item 1-7 under "Name of >unit with symbol" we see > year, a > > > Robert H Bushnell PhD PE > chair ASTM Committee E43 on SI Practice > > ____________________________________________________________ Get 25MB of email storage with Lycos Mail Plus! Sign up today -- http://www.mail.lycos.com/brandPage.shtml?pageId=plus
