Mathematics and Astronomy [IO Islamic 1362]

Mathematics and Astronomy. This manuscript is now IO Islamic 1362 in the India Office collections. [metadata: Otto Loth, A Catalogue of the Arabic Manuscripts in the Library of the India Office, (volume 1), no. 761 here with further notations and hyperlinks]. 761. 1362. Size 73/4 in. by 43/4 in.; foll. 69. Thirteen lines in a page. A concise Commentary (ممزوج) on the خلاصة الحساب , by LUṬF ALLAH , called the Geometrician, son of Ustâd Aḥmad , the architect (لطف الله المتخلص بالمهندس ابن الاستاذ احمد المعمار ) . Tho preface begins: الحمد لله الواحد الفرد الصمد . The first words commented on are: وسمّيتها خلاصة الحساب . Notes by IMÂM AL-DÎN B. LUṬF ALLAH are on the margin. It is preceded by the preface of ‘Âmulî (fol. 4), and by a fragment treating of multiplication, which begins: و ضرب التوشيح وهو ان تضع المضروب فى اليمين و المضروب فيه فى اليسار (foll. 1-2). Beautifully written. [Gaikwar.]