Path: csiph.com!fu-berlin.de!uni-berlin.de!not-for-mail From: Dennis Lee Bieber Newsgroups: comp.lang.python Subject: Re: Curious Omission In New-Style Formats Date: Thu, 14 Jul 2016 07:34:42 -0400 Organization: IISS Elusive Unicorn Lines: 14 Message-ID: References: <06f2dedb-ce7a-4ca8-9fe8-8dba36f3d3ba@googlegroups.com> <76762c79-a85d-48f1-8132-5decd10ce4f1@googlegroups.com> <57874385$0$1501$c3e8da3$5496439d@news.astraweb.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Trace: news.uni-berlin.de 6aXLhDympRL3SXSEcyZ1OQyH8TS0S15cXVUA6dthtraw== Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.003 X-Spam-Evidence: '*H*': 0.99; '*S*': 0.00; 'essentially': 0.04; 'integral': 0.09; 'message-id:@4ax.com': 0.09; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'thu,': 0.15; '2016': 0.16; 'received:80.91.229.3': 0.16; 'received:io': 0.16; 'received:plane.gmane.org': 0.16; 'received:psf.io': 0.16; 'url:home': 0.18; 'math': 0.20; 'defined': 0.23; 'header:X -Complaints-To:1': 0.26; 'url:wikipedia': 0.29; 'url:wiki': 0.30; "d'aprano": 0.33; 'steven': 0.33; 'url:org': 0.36; 'to:addr :python-list': 0.36; 'subject:: ': 0.37; 'received:org': 0.37; 'charset:us-ascii': 0.37; 'url:en': 0.39; 'subject:-': 0.39; 'to:addr:python.org': 0.40; 'jul': 0.72; '+1000,': 0.84; 'dennis': 0.91 X-Injected-Via-Gmane: http://gmane.org/ X-Gmane-NNTP-Posting-Host: adsl-108-79-216-14.dsl.klmzmi.sbcglobal.net X-Newsreader: Forte Agent 6.00/32.1186 X-No-Archive: YES X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Mailman-Original-Message-ID: X-Mailman-Original-References: <06f2dedb-ce7a-4ca8-9fe8-8dba36f3d3ba@googlegroups.com> <76762c79-a85d-48f1-8132-5decd10ce4f1@googlegroups.com> <57874385$0$1501$c3e8da3$5496439d@news.astraweb.com> Xref: csiph.com comp.lang.python:111437 On Thu, 14 Jul 2016 17:47:17 +1000, Steven D'Aprano declaimed the following: >Er, then what's a mantissa if it's not what people call a float's mantissa? > In my old math classes: it was the fractional part of a base-10 logarithm, while the integral part ("characteristic") essentially defined the power-of-10 of the number. https://en.wikipedia.org/wiki/Common_logarithm#Uses -- Wulfraed Dennis Lee Bieber AF6VN wlfraed@ix.netcom.com HTTP://wlfraed.home.netcom.com/