Petri Philomeni de Dacia in algorismum vulgarem Johannis de Sacrobosco commentarius. Una cum algorismo ipso edidit et praefatus est Maximilianus Curtze.
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78 usque ad 139; praeponendo sic aliquem de denariis cum omnibus digitis ante centum; et eodem modo praeponendo eosdemn ante ducenta vel trecenta etca; (el) consimiliter praeponendo centenarium ante millenarios cum omnibus digitis, ut 5 1101. 1102. 1103, vel 2101, 2102; et consimiliter etiam praeponendo denarios cum omnibus digitis ante millenarios (et centenarios, ut 1111. 1112, vel 2111. 2112, vel 1211. 1212 etca), quilibet istorum ad aliquem trium aliorum limitum reducitur, ita quod, si digiti praeponantur denariis, (ad quintum reduto cuntur, si digiti praeponantur denariis) praecedente centenariorum aliquo ad sextum reducuntur, sed si digiti praeponantur centenariis millenariorum quocumque praecedente, ad septimum limitem reducuntur. Ita credo auctorem esse intelligendum. Et tune, quantum ad octavum et nonum liinitem, dicit auctor, 15 quod limes penultimus et ultimus, id est octavus et nonus, resultant per replicationem termini finalis supra se quocumque alio praecedente; ex replicatione, dico,.millenarii supra se semel per modum quadratorum, vel bis per roduln solidorum. Limes octavus. Auctor vult dicere, quod limes octavus fit, 20 curn supra millenariorum aliquem millenarius replicatur. Verbi gratia: mille milesies, duo milia millesies, tria milta millesies, quatuor milia millesies, et sic usque ad novelr milia millesies, vel millesies novema milia; et fit idem limes praeponendo isti replicationi quemcumque de aliis limitibus, scilicet dicendo: 25 millesies centies decies mille, millesies centies decies duo milia, millesies centies decies tria milia et sic usque ad millesies centies decies novem milia; vel millesies ducenties vicesies mille, vel duo milia, vel tria milia. Sicque eundo et replicando semper millenarium semel super quemcumque millena30 riorum quocumque praecedente fit ille octavus limes. Non us limes. Nonus vero limes fit fero modo consimili. Non enim differt, nisi quia in hoc nono limite fit replicatio millenarii bis super quemcumque millenarium, etiam quocumque praecedente. Verbi gratia: millesies mille milia vel millesies mille millesies,
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About this Item
- 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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https://name.umdl.umich.edu/acv7283.0001.001
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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.