[589] E.g. Chiarini's work of 1481; Clichtoveus (c. 1507).
[590] The first is from an algorismus of the thirteenth century, in the Hannover Library. [See Gerhardt, "Ueber die Entstehung und Ausbreitung des dekadischen Zahlensystems," loc. cit., p. 28.] The second character is from a French algorismus, c. 1275. [Boncompagni Bulletino, Vol. XV, p. 51.] The third and the following sixteen characters are given by Cappelli, loc. cit., and are from manuscripts of the twelfth (1), thirteenth (2), fourteenth (7), fifteenth (3), sixteenth (1), seventeenth (2), and eighteenth (1) centuries, respectively.
[591] Thus Chiarini (1481) has
[592] The first of these is from a French algorismus, c. 1275. The second and the following eight characters are given by Cappelli, loc. cit., and are from manuscripts of the twelfth (2), thirteenth, fourteenth, fifteenth (3), seventeenth, and eighteenth centuries, respectively.
[593] See Nagl, loc. cit.
[594] Hannover algorismus, thirteenth century.
[595] See the Dagomari manuscript, in Rara Arithmetica, pp. 435, 437-440.
[596] But in the woodcuts of the Margarita Philosophica (1503) the old forms are used, although the new ones appear in the text. In Caxton's Myrrour of the World (1480) the old form is used.
[597] Cappelli, loc. cit. They are partly from manuscripts of the tenth, twelfth, thirteenth (3), fourteenth (7), fifteenth (6), and eighteenth centuries, respectively. Those in the third line are from Chassant's Dictionnaire, p. 113, without mention of dates.