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A132475 Numerical equivalents for the 23 Latin letters, according to Tartaglia. 1

%I #4 Mar 30 2012 16:50:43

%S 500,300,100,500,250,40,400,200,1,51,50,1000,90,11,400,500,80,70,160,

%T 5,10,150,2000

%N Numerical equivalents for the 23 Latin letters, according to Tartaglia.

%D A. R. Bradford, Crossword Lists, Collins.

%D Florian Cajori, A History of Mathematical Notations (1928, repr. Dover, 1993), para. 60.

%D G. Friedlein, Die Zahlzeichen und das elementare Rechnen der Griechen und Roemer, Erlangen, 1869.

%D Tartaglia, General Trattato di Numeri, Part I (1556), folios 4, 5.

%H Recreational Groups, <a href="http://www.n-n-a.com/recreational/about51344.html">Roman Numerals</a>, Postings by several authors.

%e A 500

%e B 300

%e C 100

%e D 500

%e E 250

%e F 40

%e G 400

%e H 200

%e I 1

%e K 51

%e L 50

%e M 1000

%e N 90

%e O 11

%e P 400

%e Q 500

%e R 80

%e S 70

%e T 160

%e V 5

%e X 10

%e Y 150

%e Z 2000

%K nonn,base,fini,full

%O 1,1

%A _N. J. A. Sloane_, Nov 19 2007, based on email from David Garber and on material from the Roman Numerals web site mentioned above, especially a posting by Peter T. Daniels. Thanks to M. F. Hasler for finding this web site.

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Last modified March 29 06:44 EDT 2024. Contains 371265 sequences. (Running on oeis4.)