[USMA:40256] Re: convenient numerical values

[Bill Potts]

 J. Ward said: I would speak in terms of "per meter squared." 
 
Just to revisit that, /m² is correctly spelled out as "per square meter."
Meter squared implies an area in the shape of a square, with a side 1 m in
length. My authority for "square meter" is none other than the official SI
Brochure, Section 2.2.1 (except that it says "square metre").
 
Bill Potts, CMS
Roseville, CA
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