Varahamihira is associate Indian scientist World Health Organization was born throughout the first 6th-century. He was born within the Avanti region and mentioned in Ujjain (Madhya Pradesh, India).
After Meeting Aryabhatta, He got the inspiration to become a scientist and astrologist. He was studied at Kapitthaka. he’s one in every of the “Nine Jewels” of the court of emperor Yashodharman Vikramaditya of Malwa.
Varāhamihira’s most well-known work was Brihat Samhita. This book is all regarding design, arithmetic, gemology, temples, planetary motions, astrology, cloud formation, eclipses, activity, rainfall, seasons, agriculture, and lots of different topics.
Some Mathematicians even believed that he features a robust information of the prognostic calculations and zodiac signs. He wont to perform pseudoscience computations and auspicious ceremonies in India in those days.

Varahamihira Books
He has written 2 books that became noted not solely in India however additionally throughout the world. His books were been translated into totally different languages.
Pancha-Siddhantika
In this book, he writes regarding mathematical natural philosophy. He explains regarding the 5 earlier astronomical treatises by 5 authors, specifically the Paulisa Siddhanta, Paitamaha Siddhanta, Surya Siddhanta, Vasishtha Siddhanta, Romaka Siddhanta.
In this book, He says regarding ayanamsa, or the shifting of the equinox is fifty.32 seconds. He was the primary scientist to talk regarding ayanamsa.

Brihat-Samhita
This is the second book written by Varahamihira.
This book has 106 chapters and thence this book is additionally known as “great compilation”.
This book is all regarding divination. He even writes regarding different topics like natural philosophy, clouds, planetary movements, rainfall, eclipses, growth of crops, matrimony, gems, pearls, design, manufacture of fragrance, domestic relations, and rituals.
It is aforementioned that a lot of of his books are lost.
The Arub Travelers Ibn Batuta and Al Baruni World Health Organization came to India to find out Vedic arithmetic has translated his book into totally different languages.

Contributions of Varahamihira in arithmetic

1. Sin tables were created by Aryabhata however were improved by Varahamihira.
2. He discovered a version of Pascal’s triangle.
3. He created the primary 4×4 square matrix.
4. He used it to calculate the binomial coefficients.
5. He was the primary to talk regarding ayanamsa.
   Interesting facts regarding Varahamihira
   Though he was a mathematical uranologist, He had associate interest in different fields too.
6. He was an excellent astrologist and uranologist. He wont to see the positions of stars, sun, moon, and planets and wont to predict several things.
7. it’s aforementioned that Varahamihira had made “Meru Stambh”.
8. He projected that planets and Moon square measure lustrous thanks to daylight however not owing to their own lightweight.
9. He even aforementioned that the world was spherical.
10. He fenced in all the 3 main sections of Jyotisha pseudoscience.
    Many different Indian Mathematicians has done nice contribution within the field of arithmetic rather like Varahamihira. many of them square measure Aryabhatta, Mahavira, Madhava of Sangamagrama.