"Presenters are usually guilty of including too much data in their on-screen charts," says Garr Reynolds, author of Presentation Zen. It's not that charts are bad in a PowerPoint presentation, but ...

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 mouse (or ...

Adobe Illustrator's Graph tool opens a miniature spreadsheet-like window into which you can enter rows and columns of data to produce column, bar, line, area, scatter, pie and radar graphs. Its line ...