Bhaskara II, also known as Bhaskaracharya, was an Indian mathematician and astronomer who lived in the 12th century. He is known for his work on the development of a new method for calculating the volume of ships, which was more accurate than the methods used at the time.

The Arthashastra is an ancient Indian treatise on statecraft, economic policy, and military strategy. It was written by Kautilya, a minister to the Mauryan emperor Chandragupta Maurya, in the 4th century BCE. The Arthashastra contains a chapter on the construction of ships, which provides detailed instructions on the design and construction of various types of ships.

Brahmagupta was an Indian mathematician and astronomer who lived in the 6th century CE. He is known for his work on the development of a new method for calculating the distance between two ports, which was more accurate than the methods used at the time.

The Lilavati is a 12th-century Indian mathematical treatise written by Bhaskara II. It contains a chapter on the calculation of freight rates, which provides detailed instructions on how to calculate the cost of transporting goods by ship.

Aryabhata was an Indian mathematician and astronomer who lived in the 5th century CE. He is known for his work on the development of a new method for calculating the time it takes for a ship to travel between two ports, which was more accurate than the methods used at the time.

The Surya Siddhanta is an ancient Indian astronomical text that was written in the 5th century CE. It contains a chapter on the construction of harbors, which provides detailed instructions on how to design and construct a harbor that is safe for ships to enter and leave.

Srinivasa Ramanujan was an Indian mathematician who lived in the 20th century. He is known for his work on the development of a new method for calculating the weight of a ship's cargo, which was more accurate than the methods used at the time.

The Arthashastra contains a chapter on the calculation of customs duties, which provides detailed instructions on how to calculate the amount of duty that is owed on imported goods.

Bhaskara II is known for his work on the development of a new method for calculating the profit from a shipping voyage, which was more accurate than the methods used at the time.

The Lilavati contains a chapter on the calculation of insurance premiums for shipping voyages, which provides detailed instructions on how to calculate the amount of premium that is owed to insure a ship and its cargo.

Aryabhata is known for his work on the development of a new method for calculating the risk of a shipping voyage, which was more accurate than the methods used at the time.

The Surya Siddhanta contains a chapter on the calculation of salvage costs for shipping voyages, which provides detailed instructions on how to calculate the amount of money that is owed to salvage a ship and its cargo.

Brahmagupta is known for his work on the development of a new method for calculating the demurrage charges for shipping voyages, which was more accurate than the methods used at the time.

The Lilavati contains a chapter on the calculation of wharfage charges for shipping voyages, which provides detailed instructions on how to calculate the amount of money that is owed to use a wharf to load or unload a ship.

Aryabhata is known for his work on the development of a new method for calculating the pilotage charges for shipping voyages, which was more accurate than the methods used at the time.