[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [A History of the Kerala School of Hindu Astronomy (in Perspective)](https://indike.org/pramana/ins.science.sarma-1972) › c8.s6.32 # A History of the Kerala School of Hindu Astronomy (in Perspective) c8.s6.32 A History of the Kerala School of Hindu Astronomy (in Perspective) c8.s6.32 - **Language:** English ### [c8.s6.32](https://indike.org/pramana/ins.science.sarma-1972.c8.s6.32) ∴ (π)/4 = 1 - ⅓ + ⅕ - ± 1/n ((n+1)/2)/((n+1)²+1) - [Previous: c8.s6.31](https://indike.org/pramana/ins.science.sarma-1972.c8.s6.31) - [Next: c8.s6.33](https://indike.org/pramana/ins.science.sarma-1972.c8.s6.33) - [Up: c8.s6](https://indike.org/pramana/ins.science.sarma-1972.c8.s6) --- Source: [https://indike.org/pramana/ins.science.sarma-1972.c8.s6.32](https://indike.org/pramana/ins.science.sarma-1972.c8.s6.32) · Pramāṇa