Street food of Mumbai all of which are vegetarian. In terms of non-vegetarian offerings omelette-pav, kebabs and fish are found on Mumbai streets. The amount of variety of street food is attributed to the cosmopolitan culture of the city. In the 1980s Indianised Chinese food was an emerging trend on Mumbai streets. Other popular street food items include Misal Pav (spicy curry made of sprouted moth beans which is eaten with pav, an Indian bread), and vegetable frankie (a popular and cheaper version of wraps and rolls). Kulfi (a type of ice cream) and gola (type of ice cone) are among the desserts and
Irrational number During the 14th to 16th centuries, Madhava of Sangamagrama and the Kerala school of astronomy and mathematics discovered the infinite series for several irrational numbers such as "π" and certain irrational values of trigonometric functions. Jyeṣṭhadeva provided proofs for these infinite series in the "Yuktibhāṣā". In the Middle ages, the development of algebra by Muslim mathematicians allowed irrational numbers to be treated as "algebraic objects". Middle Eastern mathematicians also merged the concepts of "number" and "magnitude" into a more general idea of real numbers, criticized Euclid's idea of ratios, developed the theory of composite ratios, and extended the concept of