Questions tagged [ancient-india]

For questions about events occurring in India and the immediate areas around it between 2500 B.C. and 1500 A.D.

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5
votes
4answers
998 views

When Indian mathematicians learn of Euclid's Elements?

Transfer of mathematical knowledge from India to Europe (such as a positional number system with zero) allowed Europeans to develop arithmetic. But was there also a reverse direction (probably via ...
0
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2answers
103 views

What is the intuition behind Brahmagupta’s rule for multiplying negative numbers?

The rule says: The product (or quotient) of two debts is a fortune What I’m struggling with is what exactly is the product of two debts? What accounting need forces one to multiply debts? How do ...
6
votes
1answer
297 views

Did Indian astronomers realize the sphericity of the earth independently of the Greeks?

Reading Wikipedia's articles on the flat earth, spherical earth, and history of geodesy makes it clear that virtually every society recognizing the spheroidal shape of the earth today owes the ...
0
votes
0answers
79 views

What is the reason behind the decline of Indian Physics?

As in what were the main factors, personalities, policies, etc involved in its decline during the $16^{th}$ century to the present day?
6
votes
1answer
134 views

History of summing integers with natural powers

In my 10th class school material, it is given that Aryabhatta discovered the following formulas: $\sum n=\dfrac{n(n+1)}{2}$ $\sum n^2=\dfrac{n(n+1)(2n+1)}{6}$ $\sum n^3=\dfrac{n^2(n+1)^2}{4}$ Is ...
0
votes
1answer
137 views

How the ancient iron Pillar of Delhi was created?

Afaik, even in the middle ages was it impossible to melt iron. Thus, alloys had to be also impossible. Next to that, the ancient Indians surely didn't knew nickel, which is alloyed into the today's ...
8
votes
4answers
2k views

Why did India miss the Great Revolution in Maths and Science?

UPDATE: I've updated the title of the question from Why did India lag behind in discovering Maths and Science? to ...
6
votes
4answers
531 views

First use of zero as a number

The first know use of $0$ as it's own number was in India, but what was the equation in which it was used? Also, what was the tablet/scroll/whatever about?
5
votes
1answer
166 views

Do we have any in depth material on Baudhayana?

I know he wasn't strictly a mathematician, but as I understand, Baudhayana recorded information on (what we know as) the Pythagorean Theorem and other geometrical properties like $\sqrt{2}$, in the ...
23
votes
4answers
829 views

Did ancient/medieval non-European cultures have a concept of energy? If so, what are the similarities and differences to the modern concept?

For example, do we find something related to the modern energy concept in Ancient China, Ancient India, or the Islamic Golden Age? Among "similarities and differences", conservation is obviously ...