History of India: ancient and medieval / Guptas, Vakatakas and post-Gupta north India
Science, mathematics and medicine in ancient India
Practise 2 PYQsConcepts to cover
- Aryabhata (499 CE): sine, pi approximation, earth's rotation; place-value and zero
- Brahmagupta (seventh century) on cyclic quadrilaterals and negative numbers; Varahamihira's Panchasiddhantika
- Place-value in inscriptions: Mankani plates (595 CE), Sanskrit inscriptions of South-east Asia (seventh century), general use by the ninth century
- Charaka Samhita and Sushruta Samhita: surgical instruments, plastic surgery; no organ transplantation
- Mehrauli iron pillar, wootz steel, Surya Siddhanta; Nagarjuna's alchemy