[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [Mathematics in Ancient and Medieval India](https://indike.org/pramana/ins.science.bag-1979) › c8.246 # Mathematics in Ancient and Medieval India c8.246 Mathematics in Ancient and Medieval India c8.246 - **Language:** English ### [c8.246](https://indike.org/pramana/ins.science.bag-1979.c8.246) Bhāskara II ( 1150 A. D. ) next quotes Brahmagupta's rule in his \*Grahagaṇita\* ( Spaṣṭādhikāra, v. 16 ) and takes h = 10⁰ instead of h = 900' = 15⁰ used by Brahmagupta. Brahmagupta has also given a rule for unequal intervals. Govindasvāmī, Mādhava, Parameśvara etc. have given rules of related interest.¹ - [Previous: c8.245](https://indike.org/pramana/ins.science.bag-1979.c8.245) - [Next: c8.247](https://indike.org/pramana/ins.science.bag-1979.c8.247) - [Up: c8](https://indike.org/pramana/ins.science.bag-1979.c8) ## Linked texts (1) - [Grahajñāna](https://indike.org/pramana/in.astro.siddhanta.karana.grahajnana) — Āśādhara, Sanskrit --- Source: [https://indike.org/pramana/ins.science.bag-1979.c8.246](https://indike.org/pramana/ins.science.bag-1979.c8.246) · Pramāṇa