If you just want to safely print numbers with the trailing zeros
removed, used strip:
a = 12.0000000000
b = 0.80000
str(a).rstrip('0')
str(b).rstrip('0')
On Thu, May 29, 2014 at 9:53 AM, Dominique Laurain
<dominique.laurai...@orange.fr> wrote:
> We get in trouble with your question, because you used "simplify"
> verb...which should have been refering to other SAGE simplifying functions
> (floor, simplify symbolic expression and so on).... when you wanted to
> "display only few significant digits of that real number".
>
> Function for you is : n(digits=...)
>
> Try this in cell to understand better :
>
> m = 12.0000000 ; print m
> print type(m)
> mr = m.n(digits=3) ; print mr
> print type(mr)
> x = m - mr + 1; print x
> print type(x)
> y = x.n(digits=5) ; print y
> print type(y)
> z = y ; print z
> print type(z)
> u = 1.000
> ur = u.n(digits=8) ; print ur
> print "n() is attribute of object RealNumber :"
> print z
> print ur
>
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--
William Stein
Professor of Mathematics
University of Washington
http://wstein.org
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