Porter, Dot2023-05-232022-09-072022-09-072022-09-07https://repository.upenn.edu/handle/20.500.14332/46701Pedagogical treatise on commercial and practical arithmetic, with extensive use of arabic numerals and problems illustrated with scenes from daily life.Arithmetic -- Early works to 1900ArithmeticMathematics -- Early works to 1800MathematicsMerchants -- ItalyMerchantsNola (Italy)ItalyCodices (bound manuscripts)Drawings (visual works)TreatisesManuscripts Italian -- 15th centuryManuscripts RenaissanceHistory of Science, Technology, and MedicineOther Physical Sciences and MathematicsRenaissance StudiesArticle