93,915 reputation
582173
bio website von-eitzen.de/math/tntrep.xml
location Bonn, Germany
age 48
visits member for 1 year, 7 months
seen 6 hours ago

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


15
Jan 10 '13 at 16:19
15
Dec 17 '12 at 21:59
12
Oct 17 '13 at 21:34
12
Dec 28 '12 at 11:00