114,484 reputation
7106211
bio website von-eitzen.de/math/tntrep.xml
location Bonn, Germany
age 48
visits member for 2 years, 1 month
seen 34 mins ago

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


11
Sep 4 '12 at 15:08
10
Jul 8 '13 at 18:58