Algebra Question #1

Here is a simple and interesting algebra question for the weekend and to chase the monday blues away ๐Ÿ™‚ Suppose How many possible pairs of m & n are there?

Python Codes

The following is a collection of simple codes I wrote for Python while doing a Rice University Course on Coursera. ๐Ÿ™‚ Rock, Paper, Scissors, Spock Guess The Number Game Stopwatch: The Game Pong [...]

2015 A Level H1 Chemistry (8872) Paper 1 Suggested Solutions

All solutions here are SUGGESTED. Mr. Lee will hold no liability for any errors. Comments are entirely personal opinions. Many thanks to the student who sent us the question paper. ๐Ÿ™‚   You [...]

2015 A Level H2 Chemistry (9647) Paper 1 Suggested Solutions

All solutions here are SUGGESTED. Mr. Lee will hold no liability for any errors. Comments are entirely personal opinions.   Question 1:ย ย  B The element must be from Group IV so the [...]

Why study Mathematics?

So the A’levels is coming to an end. Good job to all the JC2s! I did receive a few questions on studying Mathematics at undergraduate level. So I thought the following article might just [...]

2015 A Level H2 Physics (9646) Paper 1 Suggested Solutions

All solutions here are SUGGESTED. Casey will hold no liability for any errors. Comments are entirely personal opinions. 1.A 2.D 3.C 4.A 5.C 6.A 7.D 8.C 9.A 10.C 11.B 12.A 13.D 14.A 15.A 16.A 17.C [...]

2015 A Level H2 Chemistry (9647) Paper 3 Suggested Solutions

All solutions here are SUGGESTED. Mr. Lee will hold no liability for any errors. Comments are entirely personal opinions. [Please do not ask me how many marks for A. The bell curve is something [...]

Game Theory #2

To illustrate another similar example from last post, now supposed ALL the A-level Candidates met up in the town square. Prior to meeting up, they were all told by the head examiner that if [...]

Game Theory #1

Over the past two months, Iโ€™ve been reading up on Game Theory extensively. It has always been a subject of interest for me since undergraduate days. And Iโ€™m glad that I found time to read a bit [...]

2015 O Level Chemistry (5073) Paper 1 Suggested Solutions

For those of you who just completed your GCE O Level Chemistry (5073) Paper 1, here are the suggested answers for the 40 MCQ questions.ย The paper was relatively straightforward so I hope that [...]