M (Chiffre romain) — Wikipedia
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Ⅿ (Unicode U+216F) (Bas-de-Casse Ⅿ – U+217F) is the number 1000 in the Roman count. It is often represented by the letter M. It was formerly written with the Roman figure ↀ (Unicode U+2180) or φ, and then Ⅽⅰↄ , Ⅽⅰↄ or with other variants in several publications of XV It is And XVI It is centuries.
Form ↀ is already used at III It is century of. J.-C. And its variants are used until the Middle Ages when it is gradually replaced by the letter M giving the symbol M [ first ] . It can look like a CD ligature or the symbol of infinite ∞ (which is inspired by it). The Roman figure five hundred D is a derived symbol (its right half) [ 2 ] , [ 3 ] . It is also used in certain texts of XV It is And XVI It is centuries to represent the number 1,000, but is sometimes composed with the symbols Ciↄ (or with tiny: ⅽⅰↄ), clↄ, cxↄ or Cↄ, where the last is a C returned, by the printer missing good characters. The Roman figure ten thousand ↂ is also a derived symbol with the addition of a concentric circle, and its half gave the Roman figure five thousand ↁ [ 2 ] .
Gallery [ modifier | Modifier and code ]
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Example of ↀ, which inspired the symbol of infinity ‹∞›, in a publication of 1591.
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Example of ↀ composed using the symbols ‹Clↄ›, in a publication of 1599.
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Example of ↀ composed using the symbols ‹Clↄ› on the Westerkerk church built in 1630 in Amsterdam.
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Example of ↀ composed using the symbols ‹ⅽⅰↄ› in the Discourse on Method de Descartes published in 1637.
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Example of ↀ composed using ‹Cxↄ› in the number 1596, in a publication of 1715.
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Example of ↀ composed using ‹Ciↄ› in the number 1637, in a publication of 1722.
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Example of ↀ composed using ‹Cↄ› in a publication of 1745.
- (in) Richard Gillam, Unicode Demystified : A Practical Programmer’s Guide to the Encoding Standard , Boston, Addison-Wesley Professional, , 853 p. (ISBN 0-201-70052-2 , read online ) .
- (in) Steven Schwarzman, ‘ Who owns Roman numerals? » , Quantum Magazine (in) , vol. 6, n O 3, ( read online ) .
- (in) William D. Swan, The Spelling-Book : Consisting of Words in Columns and Sentences for Oral and Written Exercises , Philadelphie, Thomas, Cowperthwait and company, .
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