Atul Sharma (b Dec 5, 1991) of Meerut, UP created the following records at Gurgaon on April 28, 2015:

• Calculated the square of a 20-digit binary number in 4 min 8 sec
• Derived the cube root of a 9-digit decimal number in 6.9 sec 
• Derived the cube root of a 24-digit binary number in 17.1 sec All the above calculations were 100% accurate.

His performance was monitored by Anant Kasibhatla of My Memory Zone, New Delhi.