Four years ago, based on the existing 9x9 multiplication charts, which use Arabic numerals, he began to devise a new chart based on formulas derived from Tibetan chess and dice games.

Students in the United States continue to fall behind students in other OECD countries in math and science.

Jagrat Chatterjee, a Lucknow-based mathematics enthusiast has been able to jot down the multiplication tables from 1 to 2072, by making 20,720 squares ...