MathurÃÂnÃÂtha à Âarman () was an Indian calendrist and astronomer who lived in Bengal and belonged to the Saurapaká¹£a tradition of Indian astronomy. He is known from his work the RavisiddhÃÂntamañjarë or Sà «ryasiddhÃÂntamañjarë, with planetary longitude tables and the means to compute solar eclipses. The Sanskrit manuscript of the RavisiddhÃÂntamañjarë was published in the Bibliotheca Indica series, work number 198, by the Royal Asiatic Society of Bengal. He may also have been the author of some other works including the Pañcaá¹ garatna and the Praà ÂnaratnÃÂá¹ kura or SamayÃÂmá¹Âta.