Fraction and Decimal in the Tutorial

[segfaulthunter]

BPO	3412
Nosy	@birkenfeld, @rhettinger
Files	floating.rst: Draft for the text to be added to floatingpoint.rst floating.rst: Change some phrasing to sound better.

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = 'https://github.com/rhettinger'
closed_at = <Date 2008-10-05.17:58:12.846>
created_at = <Date 2008-07-18.21:36:08.745>
labels = ['docs']
title = 'Fraction and Decimal in the Tutorial'
updated_at = <Date 2008-10-05.17:58:12.844>
user = 'https://bugs.python.org/segfaulthunter'

bugs.python.org fields:

activity = <Date 2008-10-05.17:58:12.844>
actor = 'rhettinger'
assignee = 'rhettinger'
closed = True
closed_date = <Date 2008-10-05.17:58:12.846>
closer = 'rhettinger'
components = ['Documentation']
creation = <Date 2008-07-18.21:36:08.745>
creator = 'segfaulthunter'
dependencies = []
files = ['10942', '10943']
hgrepos = []
issue_num = 3412
keywords = []
message_count = 4.0
messages = ['69992', '69995', '69996', '74350']
nosy_count = 3.0
nosy_names = ['georg.brandl', 'rhettinger', 'segfaulthunter']
pr_nums = []
priority = 'normal'
resolution = 'fixed'
stage = None
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue3412'
versions = ['Python 2.6', 'Python 3.0']

[segfaulthunter]

I think that when floating point number limitations are mentioned we
should also tell that there are alternatives for processing numbers with
decimal extensions. I wrote a text that introduces the Decimal and the
Fraction type to the reader.

[segfaulthunter]

Updated file to fix a minor problem

[rhettinger]

I'll build-out the discussion a bit and mention the new float.hex() and
float.as_integer_ratio() methods. Will also add references to decimal
and fractions.

[rhettinger]

Added note in r66808.