Though his inventions -- bar graphs, line charts, and pie charts -- are used every day, his name is barely remembered. And Playfair's story is as colourful as his graphs -- he was an inventor ...

Excel offers a wide variety of charts and graphs ... in the tiny space that a bar chart provides. In such cases, a column ...

Pie charts show percentages as a circle divided ... ideally with an equal number of points on either side of the line. Pictograms are like bar charts, but they use small pictures or icons to ...

Pie charts show percentages as a circle ... ideally with an equal number of points on either side of the line. Pictograms are like bar charts, but they use small pictures or icons to show data ...