Indian Mathematical Instruments and Devices

Yantras are ancient Indian instruments used for measuring angles and performing astronomical calculations.

The Bakhshali Manuscript is written in Prakrit, a Middle Indo-Aryan language.

The Sulba Sutras are primarily concerned with geometry, particularly the construction of altars and other geometric figures.

Brahmagupta is credited with the first explicit mention of zero as a number and its use in the decimal system.

Aryabhata was the first mathematician to describe the Fibonacci sequence in his work, the Aryabhatiya.

The Kerala School of Mathematics made important discoveries in calculus, including the concept of the derivative and the infinite series expansion of trigonometric functions.

Bhaskara II wrote the Lilavati, a comprehensive work on arithmetic and geometry.

The Surya Siddhanta contains a statement of the Pythagorean Theorem, which is used to calculate the diagonal of a rectangle.

Madhava of Sangamagrama made significant contributions to trigonometry, including the development of the sine function and its inverse.

The gnomon was a simple but effective instrument used for measuring time and determining the position of celestial bodies.

Aryabhata made significant contributions to the development of the decimal system and the use of negative numbers.

The abacus was a simple but effective instrument used for performing arithmetic calculations.

Brahmagupta made significant contributions to the development of the concept of the square root and its inverse.

The astrolabe was a versatile instrument used for measuring angles and distances.

Madhava of Sangamagrama made significant contributions to the development of the concept of the cube root and its inverse.