[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.s3.45 # Mathematics in Ancient and Medieval India c8.s3.45 Mathematics in Ancient and Medieval India c8.s3.45 - **Language:** English ### [c8.s3.45](https://indike.org/pramana/ins.science.bag-1979.c8.s3.45) $(π)/4 = 1 - ⅓ + ⅕ - ± 1/n (n + 12)/((n + 1)² + 1)$ - [Previous: c8.s3.44](https://indike.org/pramana/ins.science.bag-1979.c8.s3.44) - [Next: c8.s3.46](https://indike.org/pramana/ins.science.bag-1979.c8.s3.46) - [Up: c8.s3](https://indike.org/pramana/ins.science.bag-1979.c8.s3) --- Source: [https://indike.org/pramana/ins.science.bag-1979.c8.s3.45](https://indike.org/pramana/ins.science.bag-1979.c8.s3.45) · Pramāṇa