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Varahamihira: Pancha-Siddhantika

Published $\text {\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


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.