Regarded as Brahmagupta's most influentialĀ book, the BrÄhmasphuį¹asiddhÄnta(-brah-ma-fut-ah-sidd-anta),
Ā was an important book in the mathematical world. Containing 24 chapters onĀ mathematics and astronomy,Ā it is a significant bookĀ containing the first ever definition of zero and its operations. In the book we see how Brahmagupta imagined zero as a numeral and not just a symbol.
"As important as the BrÄhmasphuį¹asiddhÄnta is, not that many people even know it exists!"
~ E F Robertson
(Mathematics Professor at the University of St Andrews)
The book found its way to Baghdad. The most controversial idea to the Arabic mathematicians was the idea of zero as a numeral. It was dismissed but also accepted by some. The famous Persian mathematician Al-Khwarizmi used the ideas of zero from the BrÄhmasphuį¹asiddhÄnta to create algebra. The book ended up having a big impact on the world.
"Brahmagupta was the creator of zero, butĀ the Brahmasphutasiddhanta was the messenger which spread zero all throughout the world."
~ Dakota Duffy
Ā (Writer at the Scholarly Resources for the Study of Hinduism)Ā
This is a Soviet commemorative stamp depicting the mathematician Al-Khwarizmi.
(Source-MuslimHeritage)