14th-century copy of a late 13th-century manual on the mathematics of the Islamic law of inheritance, in the form of a paragraph by paragraph commentary on the Farāʼiḍ al-Sirājīyah of 12th-century legal and mathematical scholar Sirāj al-Dīn Muḥammad ibn Muḥammad al-Sajāwandī.
Commentary on the summary of arithmetical operations by the late 13th- and early 14th-century scholar Ibn al-Bannāʼ. Demonstrates with examples the calculation of sums involving fractional numbers and square roots. Extensive marginal notes on a few leaves (p. 20-35). The first leaf is missing and the text ends abruptly. Several leaves have restored outer margins. Pages 189-194 missing text because of conservation after water damage.