1-0.95

[Pedro Izecksohn]

pedro at microboard:~$ /usr/bin/python3
Python 3.3.2+ (default, Feb 28 2014, 00:52:16) 
[GCC 4.8.1] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> 1-0.95
0.050000000000000044
>>> 

  How to get 0.05 as result?

  bc has scale=2 . Has Python some similar feature?