106,665 reputation
696194
bio website von-eitzen.de/math/tntrep.xml
location Bonn, Germany
age 48
visits member for 1 year, 11 months
seen 10 mins ago

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


4
7
votes
2
answers
150
views
2
7
votes
2
answers
330
views