Bijaganita ([biːd͡ʒəgəɳit̪ᵊ, -ɪt̪ᵊ] ,IAST: Bījagaṇita) was treatise on algebra by the Indian mathematician Bhāskara II.
It is the second volume of his main work Siddhānta Shiromani ("Crown of treatises")[1] alongside Lilāvati, Grahaganita and Golādhyāya.
Bījagaṇita derives its name from the fact that "it employs algebraic equations (samīkaraṇa) which are compared to seeds (bīja) of plants since they have the potentiality to generate solutions to mathematical problems.
The contents are: In Bijaganita Bhāskara II refined Jayadeva's way of generalization of Brahmagupta's approach to solving indeterminate quadratic equations, including Pell's equation which is known as chakravala method or cyclic method.
Bijaganita is the first text to recognize that a positive number has two square roots The translations or editions of the Bijaganita into English include: Two notable Scholars from Varanasi Sudhakar Dwivedi and Bapudeva Sastri studied Bijaganita in the nineteenth century.