Computer scientists are a demanding bunch. For them, it’s not enough to get the right answer to a problem — the goal, almost always, is to get the answer as efficiently as possible. Take the act of ...

Mathematicians love a good puzzle. Even something as abstract as multiplying matrices (two-dimensional tables of numbers) can feel like a game when you try to find the most efficient way to do it.

Oh no.I’ve run out of bricks!Hi Sally…yeah that’s right…how did you know? Ok, thanks.Thanks Sally. Mrs Sharma: Cup of tea Dave? Dave: Ooo I’d love one. Dave: Two sugars please. Oh no no no no no!I’ve ...

Want to get quicker at calculations? Having a good mental maths book will surely be helpful. These mathematics books have tricks that you can master to be quick and efficient in making big ...