OFFICIAL RECORD LIST BY THE REKORD-KLUB SAXONIA
The records in this list are "standard calculation tasks". Record breakers should try to break one of the records in our list instead of creating new categories. It is very unlikely that new categories will be added to our lists.
If you are going to break one of these records, please contact us.
7:37 min |
Selçuk Soner Akgül (Turkey) | 6 September 2009 | Memoriad Turkey in Ankara |
6:37 min |
Hakan Gürbaşlar (Turkey) |
20 March 2010 |
Middle East Technical
University in Ankara |
6:19 min |
Selçuk Soner Akgül (Turkey) | 2 June 2010 |
Nermin Mehmet Çekiç Anadolu
Lisesi, Ankara |
4:55 min |
Hakan Gürbaşlar (Turkey) | 17 December 2011 |
Ankara VIDEO |
2:43 min | Priyanshi Somani (India) | 3 January 2012 |
Lourdes Covent School in
Surat, India |
2:06.8 min | Rhea Sandeep Shah (India) | 31 August 2013 |
Turkish Memoriad, Ankara |
1:33.8 min | Rhea Sandeep Shah (India) | 31 August 2013 | Turkish Memoriad, Ankara |
1:30.0 min | Rhea Sandeep Shah (India) | 31 August 2013 | Turkish Memoriad, Ankara |
1:07.5 min | Granth Rakesh Thakkar (India) | 2 September 2013 |
Memoriad Center, Ankara |
1:04.9 min |
Granth Rakesh Thakkar (India) | 7 October 2014 |
Dresden |
1:01.9 min |
Granth Rakesh Thakkar (India) | 7 October 2014 |
Dresden |
0:47.7 min |
Granth Rakesh Thakkar (India) | 16 July 2022 |
Mental Calculation World Cup in Paderborn (Germany) |
Wim Klein |
Gert Mittring |
(The 200 digit number should be a number raised to the 23rd power.)
50 sec Shakuntala Devi (India) 1977 DallasIn 2002, Gert Mittring calculated the 23rd root of a 200 digit number in 40.83 seconds. While the attempt was not officially verified, there is no doubt that he has done the calculation in this time.