Transsexuals in Iran

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Without zero there is no decimal system. So Decimal system also came from India. Even to this day Vedic maths is popular in parts of Bangalore (Southern India). They solve huge equations within seconds! Have you ever heard of Srinivasa Ramanujam the Indian mathematician who gave the most accurate value of pi? He was also from S. India.

"As sands that lie as individual grains, make up the whole beach, so does Anu, tiny indivisible particles make up all matter." - Kanad (describing the existence of Atoms in ancient times.)

As for Algebra, the basic principles originated in Persia. Al Zabre, yes, thats what they called it.

The Phoenician sailors and merchants connected the ancient world on water and the Arabic traders and invaders monopolized the land routes. They were the carriers of ancient science and technology.

Below there is a compass-like Qibla to find the direction of Mecca from anywhere. 18th century artifact.

The stamp portrays Md. Ibn Musa Al-Khwarazmi, the father of algorithm and algebra, a mathematician and astronomer who lived around 780AD to 850 AD in Uzbekistan.