Śrīdhara, Śrīdharācāryya or Śrīdhara Ācāryya (c. 870 CE – c. 930 CE) was an Indian mathematician, Sanskrit pandit and philosopher.He was born in Bhuriśreṣṭi (Bhurisriṣṭi or Bhurśuṭ) village in South Rādha at present day Hugli in West Bengal, then undivided Bengal with its Capital at Gaur.His father's name was Baladevācārya and his mother's name was Acchoka Bai.

Ratti based measurement is the oldest measurement system in the Indian subcontinent, it was highly favoured because of the uniformity of its weights.The smallest weight in the Indus Valley civilization was equal to 8 rattis, (historically called Masha). The Indus weights were the multiples of Masha and the 16th factor was the most common weight of 128 Ratti or 13.7 g.

Bahasa Sanskerta (ejaan tidak baku: Sansekerta, Sangsekerta, Sanskrit, aksara Dewanagari: संस्कृतम्, saṃskṛtam) adalah bahasa kuno Asia Selatan yang merupakan cabang Indo-Arya dari rumpun bahasa Indo-Eropa. Bahasa ini berkembang di Asia Selatan setelah moyangnya mengalami difusi trans-budaya di wilayah barat laut Asia Selatan pada Zaman Perunggu.