110,128 reputation
6101200
bio website von-eitzen.de/math/tntrep.xml
location Bonn, Germany
age 48
visits member for 2 years
seen 2 hours ago

I did study math and had a knack for it, but I am sooo out of that business now ...


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Jan 31 '13 at 17:14
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Nov 20 '12 at 21:42
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Nov 8 '12 at 19:30