Memory World

  • RECALLED MOST DIGITS IN A MINUTE

    RECALLED MOST DIGITS IN A MINUTE

    Prerna Sharma (born on June 4, 1998) of Mathura, Uttar Pradesh, India, recalled randomly given most (150) digits in 1min, at GLA University, Mathura, on July 11, 2016.

  • FASTEST TO RECALL 500 DIGITS OF PI VALUE IN MINIMUM TIME

    FASTEST TO RECALL 500 DIGITS OF PI VALUE IN MINIMUM TIME

    Gnani Reddy Katukoori (born on October 22, 2005) of Warangal, Telangana, India, recalled most digits(500) of Pi value in 1min 13secs, on April 6, 2015.

  • FASTEST SUBTRACTION

    FASTEST SUBTRACTION

    S.V. Praveen (born on October 4 ,1993 ) of Tamil Nadu, India, subtracted  80 digits numbers in 75.87 seconds, at Bishop Heber College, on June 26, 2014.

  • FASTEST MULTIPLICATION

    FASTEST MULTIPLICATION

    Mihir Shah (born on July 20, 2004) Gujarat, India, performed the fastest multiplication of 50 sums having 2X2 digits, in 3 minutes, 1 second and 60 milliseconds, at Rotary Hall, Surat, Gujarat, on June 17, 2013.

  • MOST STATISTICAL FORMULAS WRITTEN IN ONE HOUR

    MOST STATISTICAL FORMULAS WRITTEN IN ONE HOUR

    Dr. Archana Bhatia (born on April 13, 1965) of Haryana, India, wrote most statistical formulas(296) in 56 minutes 16 seconds, starting from 12:00pm to 12:56pm, on July 30, 2014.

  • FASTEST SQUARE ROOT CALCULATION

    FASTEST SQUARE ROOT CALCULATION

    Mihir Shah (born on July 20, 2004) of Gujarat, India, performed 40 square root on 4 digit numbers, in 58 second and 1 milliseconds, at Rotary Hall, Surat, Gujarat, on June 17, 2013.  

  • FASTEST ADDITION

    FASTEST ADDITION

    Mihir Shah (born on July 20, 2004) of Gujarat, India, performed the fastest addition of 4 sums having 10 rows of 9 digits, in 2 minutes and 76 millisecond, at Rotary Hall, Surat, Gujarat, on June 17, 2013.

  • MOST SQUARE ROOTS CALCULATED

    MOST SQUARE ROOTS CALCULATED

    Hakan Gürbaşlar (Turkey) calculated the square roots of ten six digit numbers in 4 minutes and 55 seconds, on December 17, 2011, in Ankara, Turkey. All the results were correct to the 8 digits.