Add new comment

Permalink Submitted by Anonymous on November 4, 2013

Fibonacci also described the method of "casting out the nines" (to check the accuracy of arithmetical calculations) in his book "Liber Abaci" in 1202. See
http://www.significancemagazine.org/details/webexclusive/1382001/One-sma...

Maths in a minute

Want facts and want them fast? Our Maths in a minute series explores key mathematical concepts in just a few words.

Packing spheres

How to arrange oranges in higher dimensions.
From an ecologist's nightmare to a mathematician's dream

Tracing the path of invading species using a famous problem in graph theory.
Tools made of light win 2018 Nobel prize in physics

Revolutionary laser tools that have changed our lives have won the Nobel prize in physics.
Blockchain: Spreading trust

Bitcoin is a digital currency that isn't regulated by any kind of central authority. The structure which allows this decentralisation is called blockchain. But how, and how well, does it work?
Maths in a minute: Transcendental numbers (and politics)

A quick introduction to transcendental numbers, a famous problem which relates to them, and how the person who solved it became a victim of political tensions.