Terry Jones ("Monte Python's Flying Circus") tells the story of of numbers. The story of numbers is the story of civilization.
Interesting facts:
- Baudhayana gave the 'Pythagoras theorem' centuries before the Greeks in 800 BC.
- Pingala (400 BC) invented the binary number system which is the basic of computer operations.
- Indian astronomer, Aryabhatta was the first to have propounded the theory that the earth was a sphere in the 5th century.
- Indian astronomer, Brahmagupta, estimated in the 7th century that the circumference of the earth was 5,000 yojanas. A yojana is around 4.47 miles. Calculating on this basis we see that the estimate of 22,369 miles as the earths circumference comes quite close to the actual circumference known today (24,901 miles).