The Golden ratio, also known as the divine proportion, was considered a symbol of balance and harmony in ancient India. It was believed that the universe and all its elements were governed by this mathematical principle, and that following it would lead to righteousness and prosperity.

Magic squares, which are square grids filled with numbers in such a way that each row, column, and diagonal adds up to the same number, were used in ancient India to determine the auspiciousness of a particular day or event. The presence of a magic square was believed to bring good luck and prosperity.

The concept of infinity is mentioned in the Vedas as a symbol of the universe's unity and interconnectedness. It is believed that the universe is boundless and limitless, and that all things are interconnected in a vast cosmic web.

The solstices, which are the two days of the year when the sun is at its highest or lowest point in the sky, were used in ancient India to determine the length of a year. The period between two solstices was considered to be one year.

The Fibonacci sequence, in which each number is the sum of the two preceding ones, is mentioned in the Bhagavad Gita as a metaphor for the soul's journey towards enlightenment. It is believed that the soul progresses through a series of stages, each building upon the previous one, until it reaches its ultimate goal of liberation.

Tessellations, which are patterns of shapes that fit together without gaps or overlaps, were used in ancient India to create intricate patterns and designs in temples and other religious structures. These patterns were believed to have spiritual significance and were often used to represent sacred geometry.

The concept of zero is mentioned in the Upanishads as a symbol of the unity of all things. It is believed that all things are interconnected and that zero represents the void from which all things emerge and to which they eventually return.

Perfect numbers, which are numbers that are equal to the sum of their proper divisors, were used in ancient India to determine the auspiciousness of a marriage. It was believed that a marriage between two people whose birth dates added up to a perfect number would be blessed with happiness and prosperity.

The concept of pi, which is the ratio of a circle's circumference to its diameter, is mentioned in the Rigveda as a symbol of the universe's order and harmony. It is believed that pi represents the perfect balance and symmetry of the universe.

Prime numbers, which are numbers that are only divisible by themselves and 1, were used in ancient India to determine the auspiciousness of a journey. It was believed that starting a journey on a day that was associated with a prime number would bring good luck and success.

The concept of infinity is mentioned in the Manusmriti as a symbol of the soul's immortality. It is believed that the soul is eternal and boundless, and that it continues to exist even after the death of the physical body.

Fractals, which are patterns that repeat themselves at different scales, were used in ancient India to create intricate patterns and designs in religious ceremonies. These patterns were believed to have spiritual significance and were often used to represent the interconnectedness of all things.

The concept of zero is mentioned in the Bhagavata Purana as a symbol of the universe's cyclical nature. It is believed that the universe undergoes a cycle of creation, destruction, and renewal, and that zero represents the void from which the universe emerges and to which it eventually returns.

Factorials, which are the product of all positive integers up to a given number, were used in ancient India to determine the auspiciousness of a business venture. It was believed that starting a business on a day that was associated with a large factorial would bring good luck and prosperity.

The concept of infinity is mentioned in the Atharvaveda as a symbol of the universe's interconnectedness. It is believed that all things are interconnected and that infinity represents the boundless web of relationships that exists between all things.