92,110 reputation
581169
bio website von-eitzen.de/math/tntrep.xml
location Bonn, Germany
age 48
visits member for 1 year, 7 months
seen 3 hours ago

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


3
Apr 25 '13 at 18:00
3
Apr 25 '13 at 9:14