Charts should be readable in black and white. For more information on these and other accessibility requirements, please reference Microsoft Office's guidelines. Pie charts are one of the simplest ...

William Playfair, the father of data visualisation, changed the way we understand information. His bar graphs, pie charts, ...

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 ...