Listed below are the verified claims for the record listed.
Mental Calculation, Square Roots - Current world record
1.
Priyanshi Somani (India) calculated the square roots of ten six digit numbers in 2:43.05 minuts on 3 January 2012 at
Lourdes Covent School in Surat, Gujarat, India. As required by the rules, all results have been correct to 8 digits.
Previous verified claims
1.
Hakan Gürbaşlar (Turkey) calculated the square roots of ten six digit numbers in 4:55 minutes on 17 December 2011 in Ankara, Turkey.
As required by the rules, all results have been correct to 8 digits.
2.
Selçuk Soner Akgül (Turkey) calculated the square roots of ten six digit numbers in 6:19 minutes on 2 June 2010 at Nermin Mehmet Çekiç Anadolu Lisesi, Ankara.
As required by the rules, all results have been correct to 8 digits.
3.
Hakan Gürbaşlar (Turkey) calculated the square roots of ten six digit numbers in 6:37 minutes
on 20 March 2010 at the Middle East Technical University in Ankara.
As required by the rules, all results have been correct to 8 digits.
4.
Selçuk Soner Akgül (Turkey) calculated the square roots of ten six digit numbers in 7:37 minutes at the Memoriad Turkey on 6 September 2009 in Ankara.
As required by the rules, all results have been correct to 8 digits.
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