This article is really about the history, and not the math. But let’s begin with a bit of math refresher. Modern arithmetic uses the numbers 0 to 9 for all c...

'Sea level' is entwined to my life in many ways. I was born in a metropolis at the sea level. I spent several years of my adolescent years in another sea-lev...

On a sweltering afternoon my mother found the six year old me writing on the wall with a sketch-pen cap, passing it off as a chalk on the imaginary blackboar...