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Colorful mathematics for your smartphone

"Bhaskara II (1114-1185) was an Indian mathematician and astronomer. He composed the *Siddhanta Siromani*, a treatise in four parts -- *Lilavati *(basics), *Bijaganita* (algebra), *Grahaganita *(planetary motion) and *Goladhyaya *(spheres)."
This quotation comes from an early page of a new (2015) graphic e-book entitled *The Illustrated Lilavati* -- the text is based on a 1816 John Taylor translation, edited and illustrated for lilboox by Somdip Datta and available for download on smartphones and other devices. *Lilavati *(named for the daughter of Bhaskara) was written in 1150 and was a standard textbook for arithmetic in India for many years.
This e-book contains 25 illustrated problems (and solutions); here is the first:
One fifth
of a hive of bees
flew to the
Kadamba flower;
one third flew
to the Silandhara;

three times the difference of these
flew to an arbour;

and one bee continued flying
about, attracted on each side by
the fragrant Ketaki and the Malati.

What was the number of bees?
I learned about *The Illustrated Lilavati* in this article in *The Indian Express* and the description of it therein includes " . . . with crisp and colorful images, and many insights to the history of Indian mathematics, like the Indian method of multiplication on a dust-board, meters of Sanskrit poetry and the purity of gold." The article in *The Indian Express* includes a poem sample different from the one above. Still another poem from Bhaskara's *Lilavati* (this one translated by Sarah Glaz) is available here.
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