The Surya-siddhanta and Siddhanta-siromani

he Siddhanta-siromani of Sri Bhaskara can be said to be an elaborate commentary on Surya-siddhanta and thus these two books are considered the stalwarts of ancient Hindu mathematical astronomy. The fact that Sri Bimala Prasada Siddhanta Saraswati, also known as Srila Bhaktisiddhanta Sarasvati Thakura, was not only a great Gaudiya Vaisnava spiritual master but also one of history