[S3 and up Social Studies: Jakarta] The title is supposed to be a joke on how there was a movie called Japan Sinks, though I would guess...

[Sec 1 Maths - Prime Numbers]: Prime numbers are numbers that have only 2 factors, the number itself and 1 i.e. they are only divisible...

[S2 Maths: Pythagoras' Theorem] Hey, it's been a while. So, you have probably heard about Pythagoras' Theorem, and what it is: namely,...