Any straight line graph has a constant gradient, which is calculated by the change in 𝑦 divided by the change in 𝑥, along any section of the graph. The gradient is measuring the steepness of the ...

JOHN NASH may be best known for being portrayed by Russell Crowe in the biopic “A Beautiful Mind”, but his essential and lasting contribution is in the world of economics. In 1994 he shared the Nobel ...