Nat Hager III >This may have inadvertently provided incentive for the >over-precise rounding in SI declarations.
The FPLA mandated 'not more than' 2 decimal places, then it became 'not more than' 3 decimal places. Now it is: 'should be' 3 significant figures. Thus I 'should' write '454 g' but I am permitted to write '453.5924 g http://www.ftc.gov/os/statutes/fpla/basis_jan1994.html
