https://plus.google.com/u/0/109167821056874736295/posts/awXVXsBQSjY

gistfile1.py

#!/bin/env python
import logging


def float_to_bin(x):
    p = 0
    while ((2 ** p) * x) % 1 != 0:
        logging.info('Remainder = %s' % ((2 ** p) * x - int((2 ** p) * x)))
        p += 1

    num = int(x * (2 ** p))
    result = '0' if num == 0 else ''
    while num > 0:
        result = str(num % 2) + result
        num = int(num / 2)

    for i in range(p - len(result)):
        result = '0' + result

    return '%s.%s' % ((result, 0) if p == 0 else (result[0:-p], result[-p:]))


if __name__ == '__main__':
    logging.basicConfig(level=logging.INFO, format='%(message)s')
    print(float_to_bin(float(input('Enter a number: '))))