38 reputation
bio website gradelle.educanet2.ch/…
location Thônex / Geneva / Switzerand
age 53
visits member for 3 years, 7 months
seen Dec 17 '12 at 20:45
Just an ordinary math teacher...having fun playing around with math questions. Interests : history of mathematics, number theory, ... (and what I'm able to understand !)

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