In the time after Harshavardhana, the Vedic system was very much developed.
Vagbhatt, born in the ninth century, was well known among the Vedic scholars of India. He wrote a famous book called "Ashtanga Hridaya".
The spread of Indian mathematics by the Arabs spread to the countries of Europe.
A famous mathematician named Bhaskaracharya wrote a book on seed mathematics named after his daughter Lilavati.
Bhaskaracharya in his treatise mentioned that if any number is divided by $0,$ its answer will be infinite numbers.
This text gives a way to find the sides of a quadrilateral.
Bhaskaracharya wrote a book called Siddhanta Shiromani in four parts.
The book has been translated into Arabic and Persian.
Texts on medicine "Charak Samhita" and "Sushruta Samhita" have been translated into Arabic and Tibetan.
Madhavacharya has written many research texts on herbal science.
In the ninth century, Govind Bhagat wrote the book "Ras Hriday" on chemistry.
Munjal wrote a book called "Astronomy".