[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) › c8.198 # Mathematics in Ancient and Medieval India c8.198 Mathematics in Ancient and Medieval India c8.198 - **Language:** English ### [c8.198](https://indike.org/pramana/ins.science.bag-1979.c8.198) Mādhava used a far smaller accurate value of π to obtain R = 3437'44″48″'. According to \*Karaṇa-paddhati\* (TSS. 126, ch. 6, v. 7), radius was calculated as R = (21600 × 10¹⁰)/(31,41,59,26,536) = 3437'44″48″' - [Previous: c8.197](https://indike.org/pramana/ins.science.bag-1979.c8.197) - [Next: c8.199](https://indike.org/pramana/ins.science.bag-1979.c8.199) - [Up: c8](https://indike.org/pramana/ins.science.bag-1979.c8) ## Cites (1) - [Karaṇapaddhati](https://indike.org/pramana/in.astro.kerala.tantra.karanapaddhati) — Putumana Somayājī 1660, Sanskrit --- Source: [https://indike.org/pramana/ins.science.bag-1979.c8.198](https://indike.org/pramana/ins.science.bag-1979.c8.198) · Pramāṇa