Zhusuan Methodology

This methodology was originated in Greek, later on developed in China, now a days very popular in India and abroad, which makes children to learn math with fun. It makes children capable to calculate mentally 5 times faster than an electronic calculator. Apparatus free arithmetic is possible through this technique. Primarily children uses the calculating tool known as ABACUS (World's first calculating device), then after sometime they start working with an imaginary Abacus.