Apple’s Numbers spreadsheet app offers a wide variety of charts to help interpret the data in its tables (as does its Pages word processor). But when you want to turn numbers into pictures, you need ...

The classic horizontal bar chart is something we’re all familiar with. For many of us, it was the first ‘chart’ we learnt in school, usually alongside Venn diagrams and line graphs. That’s because bar ...

Different chart types emphasize different aspects of the data. I show a simple data set and plot it three simple ways to show that each emphasizes a different message. All use bar charts. The data ...

Excel’s chart features can turn your spreadsheet data into compelling visual communications—if you know what to do. This guide will walk you through the basics of setting up trends, percentages, ...