Well done John (Steele)! As I stated previously, we can always depend on you to find documentation in answer to questions on units of measurement, and their "correct" applications in accord with CGPM or NIST standards.
Gene. ---- Original message ---- >Date: Fri, 14 Jan 2011 11:42:49 -0800 (PST) >From: "John M. Steele" <[email protected]> >Subject: [USMA:49517] Re: Screen size conundrum >To: "U.S. Metric Association" <[email protected]> >Cc: "[email protected]" <[email protected]> > > Section 5.2 of the SI Brochure (and also NIST SP330) > disagrees that 3 meters squared is 9 square meters. > It is 3 square meters. Either construction is > allowed and equivalent for areas and volumes. For > units other than length, unit squared and unit > cubed is required. One may not refer to square > seconds, only seconds squared. The power attaches > to the unit (and prefix if any), not the numeric > value. > > ------------------------------------------------ > > From: Patrick Moore <[email protected]> > To: U.S. Metric Association <[email protected]> > Cc: "[email protected]" <[email protected]> > Sent: Fri, January 14, 2011 12:22:31 PM > Subject: [USMA:49514] Re: Screen size conundrum > I see less ambiguity in saying "square meters": I > have heard some people say > things like 3 square meters = 3 meters squared. In > fact 3 meters squared = 9 > square meters, as you know. > > Thanks.
