Mathematics in Ancient and Medieval India c7.s2.1

c7.s2.1

The usual term for the series is *śreḍhī*. This term is used in almost all mathematical literatures from 5th century A. D. onwards. The other terms used in the *Bakhshālī Ms.*² are *saṃkalita*, *varga*³, *rupona*⁴. Another peculiar term found in the *Bakhshālī Ms.* is *pārtha*. In the *Bṛhaddhārā*⁵, the term *dhārā* ( ladder ) is used. The initial term in an A. P. is *ādi*, *mukha*, *badan* or *baktra* all meaning face. *Antya* or *anta* used to denote the last term; *caya*, *pracaya* or *uttara* stands for the common difference, *gaccha* and *pada* denotes the number of terms, the middle term is *madhya*; the sum of progression is *sarvadhana*, *śreḍhīphala*, *guṇita* or *citi*.