Interval arithmetics also gives False,
sage: from mpmath import iv sage: # iv.prec = 24 sage: # iv.prec = 53 # for double precision sage: x = 0.1 sage: iv.prec = x.prec() # precision of Sage Real numbers, 53 sage: iv.pretty = True sage: iv.mpf('10.44') [10.439999999999999503, 10.440000000000001279] sage: iv.mpf('10.44')-iv.mpf('10.30') [0.13999999999999879208, 0.14000000000000234479] sage: iv.mpf('0.14') [0.13999999999999998557, 0.14000000000000001332] sage: iv.mpf('10.44')-iv.mpf('10.30') == iv.mpf('0.14') False sage: iv.mpf('10.44')==iv.mpf('10.44') True -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org