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 ...

An icon in the shape of a lightning bolt. Impact Link There's a deserved enthusiasm for Microsoft Excel. It's a great program, especially if you know your way around it. But it's not the only ...

The field of graph drawing and crossing numbers occupies a pivotal position at the intersection of computational geometry and network visualisation. Researchers in this domain strive to develop ...