# Book:Brahmagupta/Brahmasphutasiddhanta

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## Brahmagupta:

## Contents

## Brahmagupta: *Brahmasphutasiddhanta*

Published $\text {628}$.

### Subject Matter

### Contents

- Several sections on mathematics
- Arithmetic
- Simple algebra (expressed in words rather than symbols)
- Trigonometric concepts

## Also known as

Can be rendered *Brahma Sphuta* (or *Sputa*) *Siddhanta*.

## Historical Note

In $776$, a traveller from India appeared in Arabia, and demonstrated his fluency in the use of the Indian number system.

This, along with his demonstration of its use in trigonometry and astronomy, directly inspired the translation of *Brahmasphutasiddhanta* into Arabic.

## Sources

- 2008: Ian Stewart:
*Taming the Infinite*... (previous) ... (next): Chapter $3$: Notations and Numbers: Brahmagupta, Mahavira and Bhaskara - 2008: Ian Stewart:
*Taming the Infinite*... (previous) ... (next): Chapter $5$: Eternal Triangles: Early trigonometry