Welcome all!

My father bought an iPad. It was shipped from US and we received it yesterday. I think it costs US$7xx (about S$1000). We downloaded many fr...

My semestral GPA is 4.6 (max is 5). I did badly for Fine Art. I look forward to dropping this subject in 1.5 years' time. For Year 5 ...

The results for the Singapore National Team for 51st International Mathematical Olympiad were released today. Out of the 6 participants sele...

I think The Art of Problem Solving is the best resource for Maths problem solving. You can also train your quick thinking by playing Maths ...

I took the Singapore IMO National Team Selection Test yesterday and today. It was like the IMO format i.e. 3 questions to be done in 4.5 hrs...

Another question posted on the cbox: A travelled from Town P to Q. B travelled from Town Q to P. They started at the same time. They met e...

Someone posted the following question from SMOPS 2010 in the cbox: s=1/((1/2001)+(1/2002)+(1/2003)+(1/2004)+(1/2005)+(1/2006)+(1/2007)+(1/...

The 2010 SIMO National Team Selection test is here again. It will be held on 1 May (Sat, Labour Day where our brains have to labour much) a...

Yesterday was my paternal grandmother's birthday. We had ala carte buffet dinner at the Dragon Gate Restaurant. I was slightly late as I...

I took part in the NJC maths challenge yesterday. I met some people from the national training team - 4 from RI, 1 from RGS and 2 from HCI. ...

This post is written by my mother. 从妈妈的生病到她的逝世，我深深地体会到“人生不如意之事，常之八九”这句话的含义。一个人的一生中，不知要伤心欲绝和痛苦难耐多少次。我指的伤心事是，当亲人逝世（你能想象有几次吗？父母、叔伯婶姨、朋友、兄姐。。。...

This post is written by my mother, to my maternal grandmother who passed away peacefully on Good Friday (2 Apr 10). Mum, I miss you very muc...

Mathlinks ( http://www.mathlinks.ro/index.php ) is one of the best resources for high school students who are Maths Olympiad enthusiasts. Yo...

This week's Columbus State University's Math contests are about number patterns. Problem of the Week: 0, -2, -2, 0, 4, 10, ___, ...

Someone posted a question (#18) from AMC10A on the cbox. It's easier and less messy to explain it here rather than on the cbox: Qn: Be...

My sister and I took the APMO today. We were told not to reveal anything about it, not the name, not the number of questions, how long is it...

This morning I took the AIME I at NUS High Theatrette. I did 13 questions out of 15, but I may have made careless mistakes because I did not...

My sister and I took the **** today. We were told not to reveal anything about it, not the name, not the number of questions, how long is it...

We did some combi questions today led by our new IMO gold medalist trainer from Bulgaria. His name is Vladimir Barzov, and he has won 3 gold...