Happy Chhath Puja... Warm wishes on Chhath Puja to everyone. Let us come together to thank Mother Nature for all her love and blessings she has ever showered us with
The value of "pi" was first calculated by the Indian Mathematician Budhayana, and he explained the concept of what is known as the Pythagorean Theorem. He discovered this in the 6th century, long before the European mathematicians.