Pie charts show percentages as a circle divided into segments. A pie chart could be used to show how students travel to school. Each piece of data is shown as a proportion of 360, because there ...

Graphs and maps can be used to show geographical information. Learn and revise about graphical skills with BBC Bitesize GCSE Geography (WJEC).

The ease with which you can create a line graph in Excel on your PC or Mac will do much to dispel the misconception that the program is arcane and unapproachable.. With just three clicks of a ...