>just out of curiosity - how did you get all those trailing zeros ? >From the python schell .. May be the printed velue was 304.8000000000001 I just make a mistake in copy paste .. ;-)
Regards, Matteo -----Original Message----- From: sympy@googlegroups.com [mailto:sy...@googlegroups.com] On Behalf Of Sebastian Haase Sent: 17 June 2010 09:12 To: sympy@googlegroups.com Subject: Re: [sympy] conversion units On Thu, Jun 17, 2010 at 3:10 AM, smichr <smi...@gmail.com> 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 ? thanks and sorry for the off-topic question, Sebastian -- You received this message because you are subscribed to the Google Groups "sympy" group. To post to this group, send email to sy...@googlegroups.com. To unsubscribe from this group, send email to sympy+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sympy?hl=en. -- You received this message because you are subscribed to the Google Groups "sympy" group. To post to this group, send email to sy...@googlegroups.com. To unsubscribe from this group, send email to sympy+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sympy?hl=en.
