123,586 reputation
8117239
bio website von-eitzen.de/math/tntrep.xml
location Bonn, Germany
age 48
visits member for 2 years, 3 months
seen 3 hours ago

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


4
2 days ago
2
Dec 13 at 22:54