127,773 reputation
9121249
bio website von-eitzen.de/math/tntrep.xml
location Bonn, Germany
age 49
visits member for 2 years, 4 months
seen 22 mins ago

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


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Sep 13 '12 at 16:38
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Sep 12 '12 at 20:32
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Sep 8 '12 at 11:56