%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.
|