[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [Jyotihshastra: Astral and Mathematical Literature](https://indike.org/pramana/ins.science.pingree-1981) › c3.31 # Jyotihshastra: Astral and Mathematical Literature c3.31 Jyotiḥśāstra: Astral and Mathematical Literature c3.31 - **Language:** English ### [c3.31](https://indike.org/pramana/ins.science.pingree-1981.c3.31) r = x/2 + (x/2 · √2 - x/2)/3 . - [Previous: c3.30](https://indike.org/pramana/ins.science.pingree-1981.c3.30) - [Next: c3.32](https://indike.org/pramana/ins.science.pingree-1981.c3.32) - [Up: c3](https://indike.org/pramana/ins.science.pingree-1981.c3) --- Source: [https://indike.org/pramana/ins.science.pingree-1981.c3.31](https://indike.org/pramana/ins.science.pingree-1981.c3.31) · Pramāṇa