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Path: ...!news.mixmin.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Barry Schwarz <schwarzb@delq.com> Newsgroups: sci.math Subject: Re: hot to write out this summation: Date: Sun, 30 Jun 2024 17:36:03 -0700 Organization: A noiseless patient Spider Lines: 18 Message-ID: <8tt38jplur8gqfhli4e5oqik3js48g7l6g@4ax.com> References: <v5sj7v$mgma$1@dont-email.me> <6d-cnawPEIZMQhz7nZ2dnZfqn_qdnZ2d@brightview.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Injection-Date: Mon, 01 Jul 2024 02:36:07 +0200 (CEST) Injection-Info: dont-email.me; posting-host="561928ec41c5e8a4a955988ae9490e03"; logging-data="798750"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18aQ+pHovgveB+0iUlk8LJOy2kXlHSdu68=" Cancel-Lock: sha1:xkGr2x9GJKNaGscCMaLOkn01nWU= X-Newsreader: Forte Agent 4.2/32.1118 Bytes: 1349 >On 30/06/2024 22:38, Chris M. Thomasson wrote: >> r[0] = .01 >> r[1] = .0011 >> r[2] = .000111 >> r[3] = .00001111 >> r[4] = .0000011111 >> ... >> >> Now, think of a possible formula. If you start numbering at 1 instead of 0, then r[n] = int(10^n / 9) / 10^(2n) where int denotes the integer portion of the value. -- Remove del for email