Culver Kwan

Hong Kong

I am Culver Kwan and I like Maths. I am very happy that we can interact about maths on this website! And also that I am proud my answer in this question and I got 50 upvotes and 1 downvote(I don't know why), 2 bronze badges (Mortarboard and Nice Answer), and 3 silver badge (Enlightened, Good Answer and Guru)!