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In mathematics, 0.999... (also written as 0.9, in repeating decimal notation) denotes the repeating decimal consisting of an unending sequence of 9s after the decimal point. This repeating decimal represents the smallest number no less than every decimal number in the sequence (0.9, 0.99, 0.999, ...); that is, the supremum of this sequence. This number is equal to 1. In other words, "0.999..." is not "almost exactly" or "very, very nearly but not quite" 1 – rather, "0.999..." and "1" represent exactly the same number.

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rdfs:label	0.999... (en)
rdfs:comment	In mathematics, 0.999... (also written as 0.9, in repeating decimal notation) denotes the repeating decimal consisting of an unending sequence of 9s after the decimal point. This repeating decimal represents the smallest number no less than every decimal number in the sequence (0.9, 0.99, 0.999, ...); that is, the supremum of this sequence. This number is equal to 1. In other words, "0.999..." is not "almost exactly" or "very, very nearly but not quite" 1 – rather, "0.999..." and "1" represent exactly the same number. (en)
sameAs	0.999... 0.999...
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Subject	1 (number) Articles containing proofs Real numbers Mathematical paradoxes
Link from a Wikipage to an external page	http://at.metamath.org/mpegif/0.999....html http://digitalcommons.unl.edu/cgi/viewcontent.cgi%3Farticle=1047&context=mathfacpub http://elib.mi.sanu.ac.rs/files/journals/tm/24/tm1312.pdf%7C http://mathcentral.uregina.ca/QQ/database/QQ.09.00/joan2.html http://www.cogsci.ucsd.edu/~nunez/web/publications.html http://www.cut-the-knot.org/arithmetic/999999.shtml http://www.math.fau.edu/Richman/HTML/999.htm http://www.math.umt.edu/TMME/vol7no1/ http://www.warwick.ac.uk/staff/David.Tall/pdfs/dot2001j-pme25-pinto-tall.pdf http://www.wou.edu/~wardm/FromMonthlyMay2004.pdf https://www.ams.org/notices/200501/fea-dundes.pdf%7Caccess-date=3 http://elib.mi.sanu.ac.rs/files/journals/tm/20/tm1114.pdf%7C http://www.warwick.ac.uk/staff/David.Tall/pdfs/dot1976a-confl-catastrophy.pdf http://www.warwick.ac.uk/staff/David.Tall/pdfs/dot1978c-with-rolph.pdf http://www.warwick.ac.uk/staff/David.Tall/pdfs/dot2001b-merj-amt.pdf http://www.warwick.ac.uk/staff/David.Tall/themes/limits-infinity.html https://archive.org/details/arithmeticforsc02smitgoog https://archive.org/details/arithmeticforsc02smitgoog/page/n129 https://archive.org/details/calculusearlytra00stew https://archive.org/details/comprehensivetex0000grif https://archive.org/details/developmentoffo00ivor https://archive.org/details/elementsalgebra00lagrgoog https://archive.org/details/elementsalgebra00lagrgoog/page/n205 https://archive.org/details/everythingmore00davi https://archive.org/details/firstcourseinana0000pedr https://archive.org/details/howmathematician00byer https://archive.org/details/merriamwebstersg00burr https://archive.org/details/principlesofmath00rudi https://archive.org/details/realmathematical00char https://archive.org/details/toinfinitybeyond0000maor https://archive.org/details/universityarith00davigoog%7Cpage= https://archive.org/details/universityarith00davigoog/page/n181 https://web.archive.org/web/20060902040839/http:/www.math.fau.edu/Richman/HTML/999.htm https://web.archive.org/web/20090225124532/http:/www.ams.org/notices/200501/fea-dundes.pdf%7C https://web.archive.org/web/20090326052901/http:/www.warwick.ac.uk/staff/David.Tall/pdfs/dot1976a-confl-catastrophy.pdf%7C https://web.archive.org/web/20090530043040/http:/www.warwick.ac.uk/staff/David.Tall/pdfs/dot1978c-with-rolph.pdf%7C https://web.archive.org/web/20090530043111/http:/www.warwick.ac.uk/staff/David.Tall/pdfs/dot2001b-merj-amt.pdf%7C https://web.archive.org/web/20090530043127/http:/www.warwick.ac.uk/staff/David.Tall/pdfs/dot2001j-pme25-pinto-tall.pdf%7C https://web.archive.org/web/20110718014351/http:/www.cogsci.ucsd.edu/~nunez/web/publications.html%7C https://web.archive.org/web/20110720095125/http:/www.math.umt.edu/TMME/vol7no1/ https://web.archive.org/web/20110722153906/http:/www.wou.edu/~wardm/FromMonthlyMay2004.pdf%7C https://web.archive.org/web/20160304055237/https:/www.dpmms.cam.ac.uk/~wtg10/decimals.html https://web.archive.org/web/20200806173611/http:/mathforum.org/dr.math/faq/faq.0.9999.html
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Link from a Wikipage to another Wikipage	Fractal Fractional part Greatest common divisor Group (mathematics)

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