4.2.29 Decimal mark
A graphic symbol, usually a FULL STOP or a COMMA, used to separate the fractional part of a decimal number from the integer part of that number.
[2] Nari's Math page http://www.kumamotokokufu-h.ed.jp/kokufu/math/zakkan.html (名無しさん 2006-11-19 10:05:28 +00:00)
[3] Decimal mark - Wikipedia, the free encyclopedia ( ( 版)) http://en.wikipedia.org/wiki/Decimal_mark
[6] XQuery 3.1: An XML Query Language () https://www.w3.org/TR/2017/REC-xquery-31-20170321/#id-static-decimal-format-decimal-separator
[7] XML Path Language (XPath) 3.1 () https://www.w3.org/TR/2017/REC-xpath-31-20170321/#id-static-decimal-format-decimal-separator
[8] 京の桝蓋2 - 鉄蓋の殿堂 - お散歩 Photo Album, https://osampo2001.sakura.ne.jp/futa/kyoto_osui2.html
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[9] 数字の表記を考える, , http://www5d.biglobe.ne.jp/Jusl/Bunsyo/Suujihyouki.html#%EF%BC%90%EF%BC%92