Peda penerang kena Lumur

[[Fail:NumberSetinC.svg|thumb|[[Subset]] entara [[lumur asal]] {{Bug workaround|(ℕ), [[integer]] (ℤ), [[lumur rasional]] (ℚ), [[lumur bendar]] (ℝ), sereta [[lumur kompleks]] (ℂ)}}]]
'''Lumur''' nya objek matematik ke dikena ngira, nyukat enggau ngelabel. Chunto ti pemadu asas iya nya lumur asal [[1 (lumur)|1]], [[2 (lumur)|2]], [[3 (lumur)|3]], [[4 (lumur)|4]], enggau ti bukai.<ref>{{Cite journal |title=number, n. |url=http://www.oed.com/view/Entry/129082 |journal=OED Online |language=en-GB |publisher=Oxford University Press |access-date=2017-05-16 |archive-url=https://web.archive.org/web/20181004081907/http://www.oed.com/view/Entry/129082 |archive-date=2018-10-04 |url-status=live }}</ref> Lumur tau diayanka dalam jaku ngena leka jaku lumur. Lebih universal agi, lumur individu ulih diayanka ngena simbol, dikumbai ''angka''; ngambika chunto, "5" nya angka ke ngayanka lumur lima. Laban semina penyampau simbol ti mimit aja ulih diapal, angka asas suah agi diatur dalam [[sistem angka]], iya nya chara ti diatur dikena ngayanka sebarang lumur. Sistem angka ti pemadu suah dikena iya nya [[sistem angka Hindu–Arab]], ti ngemendarka ngayanka sebarang [[integer]] ukai negatif ngena gabungan sepuluh lambang angka fundamental, ti dikumbai digit.<ref>{{Cite journal |title=numeral, adj. and n. |url=http://www.oed.com/view/Entry/129111 |journal=OED Online |publisher=Oxford University Press |access-date=2017-05-16 |archive-date=2022-07-30 |archive-url=https://web.archive.org/web/20220730095156/https://www.oed.com/start;jsessionid=B9929F0647C8EE5D4FDB3A3C1B2CA3C3?authRejection=true&url=%2Fview%2FEntry%2F129111 |url-status=live }}</ref>{{Efn|In [[linguistics]], a [[Numeral (linguistics)|numeral]] can refer to a symbol like 5, but also to a word or a phrase that names a number, like "five hundred"; numerals include also other words representing numbers, like "dozen".}} Kelimpah ari guna iya ngira enggau nyukat, angka suah dikena ungkup label (baka [[lumur talipaun]]), dikena ngaga pesan (baka lumur siri), enggau ungkup kod (baka ISBN). Dalam guna ti suah dikena, angka enda terang dibida ari lumur ti diayanka iya.

Dalam [[matematik]], nosis lumur udah dikerembaika beratus taun nyentukka nyengkaum kusung (0),<ref>{{Cite news |url=https://www.scientificamerican.com/article/history-of-zero/ |title=The Origin of Zero |last=Matson |first=John |work=Scientific American |access-date=2017-05-16 |language=en |archive-url=https://web.archive.org/web/20170826235655/https://www.scientificamerican.com/article/history-of-zero/ |archive-date=2017-08-26 |url-status=live }}</ref> [[lumur negatif]],<ref name=":0">{{Cite book |url=https://books.google.com/books?id=f6HlhlBuQUgC&pg=PA88 |title=A History of Mathematics: From Mesopotamia to Modernity |last=Hodgkin |first=Luke |date=2005-06-02 |publisher=OUP Oxford |isbn=978-0-19-152383-0 |pages=85–88 |language=en |access-date=2017-05-16 |archive-url=https://web.archive.org/web/20190204012433/https://books.google.com/books?id=f6HlhlBuQUgC&pg=PA88 |archive-date=2019-02-04 |url-status=live }}</ref> [[lumur rasional]] baka [[setengah]] <math>\left(\tfrac{1}{2}\right)</math>, [[lumur bendar]] baka puncha kuasa dua <math>\left(\sqrt{2}\right)</math> enggau [[Pi|{{Pi}}]],<ref>{{Cite book |title=Mathematics across cultures : the history of non-western mathematics |date=2000 |publisher=Kluwer Academic |location=Dordrecht |isbn=1-4020-0260-2 |pages=410–411}}</ref> sereta [[lumur kompleks]]<ref>{{Cite book |last=Descartes |first=René |title=La Géométrie: The Geometry of René Descartes with a facsimile of the first edition |url=https://archive.org/details/geometryofrenede00rend |year=1954 |author-link=René Descartes |orig-year=1637 |publisher=[[Dover Publications]] |isbn=0-486-60068-8 |access-date=20 April 2011 }}</ref> ti ngerembaika lumur nyata enggau puncha kuasa dua −1 (enggau kombinasyen iya enggau lumur nyata enggau chara nambah tauka ngurangka ganda iya).<ref name=":0" /> Pengitung ngena lumur digaga ngena operasyen aritmetik, ti pemadu dikelala iya nya [[penambah]], pemuai, pengelipat, pemagi, enggau eksponensial. Pansik tauka guna sida dikumbai [[aritmetik]], siti leka jaku ti tau mega nunjukka [[teori lumur]], pansik pasal sifat-sifat lumur.

== Malin ==
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== Nota ==