YOUNGEST TO DO MENTAL CALCULATION USING ABACUS METHOD

Ditya Lakshmi Visista Akula (born on September 16, 2016) of Andhra Pradesh, India, set a record for being the youngest to do mental calculation using Abacus method. She did quick addition and subtraction of one-digit 100 rows, two-digit 20 rows. She did mental calculation even while playing. She is a genius at the tender age of 4 years, 1 month, and 8 days, as confirmed on October 24, 2020.