Indian Abacus Pvt. Ltd., has launched its newly invented state-of-the-art Indian Abacus devices and the program with international standard course materials to make the children of the age group – 5 to 13 years, benefit much more than ever before. Indian Abacus products and the program are the result of 14 years of background research using which the promoters of the company gained invaluable knowledge and experience.
Most single digit mental arithmetic Additions problems (10 rows ) solved in 3 minutes by an individual (Male ) by IndianAbacus student indianabacus.com
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