On Thu, Jun 17, 2010 at 3:10 AM, smichr <[email protected]> wrote: > Matteo asked a question about units (but hijacked another discussion > to do so) :-) > > ------------- > Hi All, > I'm trying to use sympy for units conversion.. > I use this code to convert from ft to mm.. > cad_leng=units.Unit('cad_leng','mm') > converter={units.m: cad_leng*Rational(1000)} > cad_ft=units.ft > cad_mm=cad_ft.subs(converter) > mm_value=float(str(cad_mm.evalf()).split('*')[0]) > print mm_value > 304.8 > > Is this right ? > Or there are any other method to get it ? > ------------- > > Matteo, I would do it like this: > >>>> from sympy.physics import units as u >>>> u.feet/u.mm > 1524/5 >>>> _.n() > 304.800000000000 > ok, let's keep hijacking... just out of curiosity - how did you get all those trailing zeros ?
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