Lucknow : After devising a calendar containing dates of over 10 lakh years, city-based mathematics enthusiast Jagrat Chatterjee has now been able to jot down multiplication tables from 1 to 2072 on a single chartpaper. Speaking to TOI, Jagrat, said, “It took me almost 50 hours to give final shape to the multiplication tables on … Continue reading Maths whiz creates another marvel