[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) › c9.20 # Jyotihshastra: Astral and Mathematical Literature c9.20 Jyotiḥśāstra: Astral and Mathematical Literature c9.20 - **Language:** English ### [c9.20](https://indike.org/pramana/ins.science.pingree-1981.c9.20) ¹⁸ CESS A 3, 168b–171a, and A 4. - [Previous: c9.19](https://indike.org/pramana/ins.science.pingree-1981.c9.19) - [Next: c9.21](https://indike.org/pramana/ins.science.pingree-1981.c9.21) - [Up: c9](https://indike.org/pramana/ins.science.pingree-1981.c9) --- Source: [https://indike.org/pramana/ins.science.pingree-1981.c9.20](https://indike.org/pramana/ins.science.pingree-1981.c9.20) · Pramāṇa