Welcome to Plus magazine!
What is 1-1+1-1+1-1+...? How infinite sums challenge our notion of arithmetic.
In this year's advent calendar we bring you some of our favourite books and other mathematical toys, so you can surprise your friends and family or, even better, yourself!
How to write down unimaginably large numbers using just a few symbols.
Why maths is an important tool in the fight against Ebola.
Given there's a finite number of notes on a scale, can we still find a brand new melody? Perhaps they've all been written already!
Why do we add fractions the way we do? A very close look at addition reveals the answer — and it also works for negative numbers.