# Book:Varahamihira/Pancha-Siddhantika

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## Varahamihira:

## Contents

## Varahamihira: *Pancha-Siddhantika*

Published $\text {c. $575$}$.

In English:

*[Treatise] on the Five [Astronomical] Canons*

### Subject Matter

A summary of five works, now lost:

*Surya Siddhanta**Romaka Siddhanta**Paulisa Siddhanta**Vasishtha Siddhanta**Paitamaha Siddhantas*

### Contents

Calculations of the sine function for $24$ integer multiples of $3 \degrees 45 '$ up to $90 \degrees$.

## Also known as

Can be rendered as: *Pañcasiddhāntikā*.

Some sources give it (possibly erroneously) as *Pancha Siddhanta*.

## Sources

- 2008: Ian Stewart:
*Taming the Infinite*... (previous) ... (next): Chapter $5$: Eternal Triangles: Early trigonometry