Two Twelfth Century Algorisms

@article{Karpinski1921TwoTC,
  title={Two Twelfth Century Algorisms},
  author={Louis Charles Karpinski},
  journal={Isis},
  year={1921},
  volume={3},
  pages={396 - 413}
}
The Latin treatises on the Hindu art of reckoning which antedate the XIVth century are sufficiently rare so that the addition even of anonymous works to the available literature on this subject is highly desirable. Doubtless the earliest of these algorisms are the two ascribed to AL-KHOWARIZMI, published by BONCOIMPAGN1 (i), the first a translation and the second probably an adaptation of the Arab's lost work on arithmetic. Of the XIIth century also are the fragments on multiplication and… 

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