[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.s6.40 # A History of the Kerala School of Hindu Astronomy (in Perspective) c8.s6.40 A History of the Kerala School of Hindu Astronomy (in Perspective) c8.s6.40 - **Language:** English ### [c8.s6.40](https://indike.org/pramana/ins.science.sarma-1972.c8.s6.40) $(π)/4 = 1 - ⅓ + ⅕ - ± 1/n (( (n+1)/2 )² + 1)/(\[ ( (n+1)/2 )² · 4 + 1 \] ( (n+1)/2 ))$ - [Previous: c8.s6.39](https://indike.org/pramana/ins.science.sarma-1972.c8.s6.39) - [Next: c8.s6.41](https://indike.org/pramana/ins.science.sarma-1972.c8.s6.41) - [Up: c8.s6](https://indike.org/pramana/ins.science.sarma-1972.c8.s6) --- Source: [https://indike.org/pramana/ins.science.sarma-1972.c8.s6.40](https://indike.org/pramana/ins.science.sarma-1972.c8.s6.40) · Pramāṇa