On Tue, Jul 12, 2016 at 2:19 PM, Steven D'Aprano <st...@pearwood.info> wrote: > On Tue, 12 Jul 2016 07:51 am, Chris Angelico wrote: > >> say, 2,147 >> millimeters, with a precision of four significant digits > > > How do you represent 1 mm to a precision of four significant digits, in such > a way that it is distinguished from 1 mm to one significant digit, and 1 mm > to a precision of four decimal places? > > 0001 > 1 > 1.0000
Exactly my point. Granted, I mucked up my example (subtraction doesn't maintain sig figs - apologies, my bad), but there are other ways to end up with numbers close to zero with more sig figs than nonzero digits. ChrisA -- https://mail.python.org/mailman/listinfo/python-list
