Brahmasphutasiddhanta is an astronomical and mathematical treatise written by Brahmagupta in 628 CE.

Brahmagupta's formula for solving quadratic equations is $x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$.

Brahmagupta's formula for solving indeterminate linear equations is $x = \frac{c}{a}$.

Brahmagupta's formula for finding the area of a triangle is $A = \frac{1}{2}bh$.

Brahmagupta's formula for finding the volume of a pyramid is $V = \frac{1}{3}Bh$.

Brahmagupta's formula for finding the volume of a sphere is $V = \frac{4}{3}\pi r^3$.

Brahmagupta's formula for finding the circumference of a circle is $C = 2\pi r$.

Brahmagupta's formula for finding the area of a circle is $A = \pi r^2$.

Brahmagupta's formula for finding the volume of a cylinder is $V = \pi r^2h$.

Brahmagupta's formula for finding the volume of a cone is $V = \frac{1}{3}\pi r^2h$.

Brahmagupta's formula for finding the volume of a sphere is $V = \frac{4}{3}\pi r^3$.

Brahmagupta's formula for finding the circumference of a circle is $C = 2\pi r$.

Brahmagupta's formula for finding the area of a circle is $A = \pi r^2$.

Brahmagupta's formula for finding the volume of a cylinder is $V = \pi r^2h$.

Brahmagupta's formula for finding the volume of a cone is $V = \frac{1}{3}\pi r^2h$.