Looking carefully at these bar graphs we realise they don't tell us much at all. They show something going upward but we can't tell anything else: Even though this piece of data looks more useful, we ...

There are a variety of ways line graphs can be used to clearly display complex information. Each axis is named by the quantity labelled on it. This might be \(x\) and \(y\), or time and temperature.

Mathematics at A-level is going from strength to strength. Maths is the most popular subject choice, and further maths, which is a separate A-level course, has seen the most growth in uptake. Despite ...