Cecelia Cichan
@cecelia
Active 6 days, 7 hours ago-
Cecelia Cichan posted an update 4 years ago
Each problem that I solved became a rule which served afterwards to solve other problems. (Rene Descartes, Discours de la Methode)
Cecelia Cichan posted an update 4 years ago
Each problem that I solved became a rule which served afterwards to solve other problems. (Rene Descartes, Discours de la Methode)