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.

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 ...

The Smith chart is a graph-based method of simplifying complex math. Instead of plotting the real and imaginary numbers directly on x-y coordinates, a new parameter called “gamma” is derived and the ...

The mathematical charts and tables that survive in the collections of the National Museum of American History illustrate more mundane aspects of American life. The first is the rise in educational ...