Mayan calculations
Life, Technology, Tools December 2nd, 2009
With the movie 2012 and the prediction of the end of the world based upon the Mayan calculations we have some old and new things that rise to the surface: Nostradamus comes back in the picture, the end of the world discussions, climate change (which is a good discussion) and Mayan calculations.
Regarding this last item, Mayan calculations, I received a video from a friend and it left me standing with my mouth wide open. Multiplications for which we use electronic calculators, can actually be solved in a far more easier way. See for yourself.
Guess Mayans were not that stupid afterall. 
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December 4th, 2009 at 8:10 pm
In China rekenen ook zo btw..
Heel makkelijk als je 123 x 321 moet doen.
Maar probeer 7896 x 899 maar eens. Dan ben je toch beter af met onze manier van rekenen op papier.