http://www.bbc.co.uk/programmes/p0038xb0

– Invention of zero
– Aryabhatta giving Cryptographic patterns.
– Lilavati
– Besides many topics that have been covered, one common thing is that every topic ends with feeling of amazement that how Indian did that in ancient time.

Below mentioned video would talk about Jain religion having references of very large numbers and concept of infinity thousands of years ago. This time was way before many civilizations that we know today.

10 min 58 sec > Jain religion is interesting in many aspect in addition to the concept of non violence. First Thirthankar were born 8 million years ago. This is itself a very large number to think of. Their belief is group of 24 Thirthankars would occur in infinite succession. Infinite number of souls in everyone. Hence complexity of Time, Infinite were discussed in details.