## Hanuman Chalisa calculates distance between Sun & Earth

Goswami Tulsidas, who was a great devotee of Lord Ram, wrote Hanuman Chalisa describing the greatnes of Lord Hanuman in Ramayana. It was written in ‘Awadhi‘ language during early 16th century and Chalisa word is derived from … Read more

## BrahmaGupta, Ancient Mathematician introduced concept of ‘Negative Numbers’ & Theorem on Cyclic Quadrilaterals

Brahmagupta (Sanskrit: ब्रह्मगुप्त) was an Indian mathematician and astronomer who lived between 597–668 AD and wrote two important works on mathematics and astronomy: the Brāhmasphuṭasiddhānta in 628 AD (Correctly Established Doctrine of Brahma) which is a theoretical … Read more

## Bhaskaracharya, the greatest Mathematician who introduced concept of ‘Infinity’

Bhaskaracharya (Bhāskara the teacher) was an Indian mathematician and astronomer of 12th century AD. He is refered as Bhāskara II to avoid confusion with Bhāskara I (of 7th century AD). He was born near Vijjadavida (Bijapur in … Read more

## Aryabhata contributes ‘ZERO, Pi’ etc to Mathematics and calculates Eclipses in Astronomy

Aryabhata, born in 476 CE, was the first in the line of great mathematician-astronomers from the classical age of Indian mathematics and Indian astronomy. There is a general tendency to misspell his name as “Aryabhatta” by analogy … Read more

## Concept of Time Division in Ancient India

Time division in Ancient India was measured to the least possible fraction of a second. The smallest measurable unit of time is Paramanu. Time calculation and divisions (as described in Manu Smriti and Vedas) in Ancient India … Read more

## Rig Veda is composed atleast in 23720 BCE

Vedas existed since time immemorial. Many believe that Sage Veda Vyasa wrote them around 3100 BCE, but the fact is that he just divided the complete vedas into four parts. Earlier to him, all 4 of them … Read more