Petri Philomeni de Dacia in algorismum vulgarem Johannis de Sacrobosco commentarius. Una cum algorismo ipso edidit et praefatus est Maximilianus Curtze.

quod velis dividere istum numerum 78876 per 38. Situentur igitur hoc modo: 78876 38 Et quia bis poteris subtrahere tria de 7, et bis 8 de sibi supra- 5 posita, ideo numerum quotiens, scilicet 2, ponas supra 8, sub quo est prima numeri divisoris, et stabunt figurae sic: 2 78876 38 Postea igitur subtrahas inferiores a superioribus, sicut dictum est, et facta subtractione stabunt figurae sic: 2 2876 38 10 15 Quo facto anteriorentur figurae inferiores per unam differentiam, et stabunt sic: 2 2876 38 20 Quia igitur nullotiens poteris tria de duobus subtrahere, in signurn igitur huius scilicet 0 ponas supra 8 superioris ordinis, sub quo stat prima inferioris, et anteriora figuras per unam differentiam, et tunc stabunt figurae sic post anteriorationem: 20 25 2876 38 Ieinde videas, quotiens poteris inferiores subtrahere de sibi suprapositis, et invenies, quod septies. Ponas igitur 7 supra 7, sub quo est prima divisoris, et stabunt figurae sic: 30 207 2876 38 Post hoc igitur septies subtrahas omnes inferiores a (sibi supra

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Title
Petri Philomeni de Dacia in algorismum vulgarem Johannis de Sacrobosco commentarius. Una cum algorismo ipso edidit et praefatus est Maximilianus Curtze.
Author
Sacro Bosco, Joannes de, fl. 1230.
Canvas
Page 60
Publication
Hauniae,: A. F. Host,
1897.
Subject terms
Arithmetic

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"Petri Philomeni de Dacia in algorismum vulgarem Johannis de Sacrobosco commentarius. Una cum algorismo ipso edidit et praefatus est Maximilianus Curtze." In the digital collection University of Michigan Historical Math Collection. https://name.umdl.umich.edu/acv7283.0001.001. University of Michigan Library Digital Collections. Accessed May 29, 2025.
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