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27.01.2012
New claim submitted for
Longest Kart Race
11.01.2012
New claim submitted for
Mental Calculation, Square Roots
09.01.2012
New claim submitted for
Solving Rubiks 4 x 4 x 4 cube
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42 - Mental Games and Competitions - Mental Calculation
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Records
Record Name
Description
Adding ten 10-digit numbers
mental calculation, adding ten 10-digit numbers...
Multiplying two 8-digit numbers
mental calculation, multiplying two 8-digit numbers...
Calendar from Memory
calculating the day of the week...
Mental Calculation, Square Roots
calculating the square roots from ten 6-digit numbers...
Multiplying two 5-digit numbers
Multiplying two 5-digit numbers...
Mental Calculation, Factorizing
Factorizing 5-digit numbers...
Mental Calculation, Division
Dividing 10-digit numbers by 5-digit numbers...
