On Jul 31, 6:17 pm, "Dr. Phillip M. Feldman" <pfeld...@verizon.net> wrote: > I'd like to be able to convert a float to a > string representation in which the number is > rounded to a specified number of digits. If > num2str is a hypothetical function that does > this, then num2str(pi,3) would be '3.142' > (not '3.141'). I've been told that there is > no such function in Python. I tried to write > this myself, but wasn't successful. Any > suggestions will be appreciated.
This is what I get in Python 2.6.1 on Windows: >>> from math import pi >>> pi 3.1415926535897931 >>> round(pi, 3) 3.1419999999999999 >>> str(round(pi, 3)) '3.142' John -- http://mail.python.org/mailman/listinfo/python-list