The Siddhanta-Shiromani by Bhaskar II

The Siddhanta-Shiromani Lilavati The first section Lilavati  (also known as patiganita or ankaganita ) consists of 277 verses. It covers calculations, progressions, menstruation permutations, and other topics. Bijaganita The second section Bījagaṇita has 213 verses. It discusses zero, infinity, positive and negative numbers, and indeterminate equations including (the now called) Pell’s equation, solving it usingपढ़ना जारी रखें “The Siddhanta-Shiromani by Bhaskar II”