This user comes from Switzerland.




Something about me

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Travelling is my biggest hobby: I lived in eight countries for longer periods and have visited 84 of them so far. My aim: To get into the "1oo Countries Club"


Next to Sport und Gastronomy, Mathematics is another hobby of mine. In the seventies I found a new formula to calculate e:


 


(Unfortunately, this formula was published only once in the Internet, in Wikipedia...)


Wikipedia Participation sporadically:

Main Contributions:

Ikebana (spanish: Additions, mainly history (my better half is an Ikebana teacher [花道の先生])