«ShAKL-UL-QUTO», yake az asarhoi matematikii Nasiruddini Tusi. Nomi purrai asar «Kashf-ul-Qino an asrori «shakl- il-quto» ast. On ba zaboni forsi-tojiki talif shudaast. Tarjumai arabi niz dorad. Asar az (?) kitob (har yaki on az yakchand bob) iborat buda, masalahoi nazariyai nisbati tarkibi, nazariyai chorkunjai purrai hamvor, muqaddimai nazariyai chorkunjai purrai hamvor, nazariyai chorkunjai purrai kuravi va uslubhoi nazariyai chorkunjai purrai ivazkunandai hamvorro dar bar megirad. Asari mazkur ba tahlili «teoremai Menelay» (Monolovus)-i Yunoni Qadim oid ast.
- F. Abdullozoda.