On Sat, 27 Apr 2002, Bill Hooper quoted Duncan Bath: > > I grant that Pm, Tm, nm etc. can be handy for specialists...
Bill responded: > ... > No one would suggest that anyone should become familiar with these units > except those for whom they are useful. That can be said for ANY SI unit... Again, Bill, I believe you mean "prefix"; not "SI unit"! There is a distinct difference which is explained well in NIST SP 330 (2001 Edition). Gene.
