Maximum complex tasks performed in different subjects

Nguyen Minh Hai (born on June 09, 2011) of Hanoi city, Vietnam, set a record for being the first seventh-grade student who encodes the Number Matrix and performs the following calculations: Square a 3-digit number, Multiply a 5-digit number by a 5-digit number in Geography Metadata using the super-level bilingual (Vietnamese-English) Finger Maths – Logical Mental Maths methods and the “Finger creases” technique, Logical Math with National Flag Colors and pictures, Logical Math with spectral colors in Physics. Simultaneously, memorizes and precisely says aloud 3788 digits in the form of decimal numbers and negative numbers relating to the latitude and longitude of 239 countries and territories throughout the world, as confirmed on December 31, 2023.