[Pramāṇa](https://indike.org/pramana/) › [Indian literature](https://indike.org/pramana/in) › [Astronomy & Mathematics](https://indike.org/pramana/in.astro) › [Mathematical Astronomy](https://indike.org/pramana/in.astro.siddhanta) › [Handbooks for practical computation](https://indike.org/pramana/in.astro.siddhanta.karana) › Ra.h.t?.ra karana # Ra.h.t?.ra karana (Rā.h.t?.ra karaṇa) रा।ह्।त्?।र करण Attributed to Bhaṭṭotpala by al-Bīrūnī in his Kitāb fī taḥqīq mā li al-Hind. - **Language:** Sanskrit - **Date:** 950–1000 CE - **Author:** [Bhaṭṭotpala](https://indike.org/pramana/person/bhattotpala) - **Text:** lost --- Source: [https://indike.org/pramana/in.astro.siddhanta.karana.rahtrakarana](https://indike.org/pramana/in.astro.siddhanta.karana.rahtrakarana) · Pramāṇa