[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) › c6.s2.4 # Mathematics in Ancient and Medieval India c6.s2.4 Mathematics in Ancient and Medieval India c6.s2.4 - **Language:** English ### [c6.s2.4](https://indike.org/pramana/ins.science.bag-1979.c6.s2.4) i) \*Śaṅku\* It is a special type of pole. It was the main tool in a sunny day for ascertaining the cardinal directions i.e. the east-west and the north-south lines (Continued to p. 107). - [Previous: c6.s2.3](https://indike.org/pramana/ins.science.bag-1979.c6.s2.3) - [Next: c6.s2.5](https://indike.org/pramana/ins.science.bag-1979.c6.s2.5) - [Up: c6.s2](https://indike.org/pramana/ins.science.bag-1979.c6.s2) --- Source: [https://indike.org/pramana/ins.science.bag-1979.c6.s2.4](https://indike.org/pramana/ins.science.bag-1979.c6.s2.4) · Pramāṇa