If you understand the definition of a mathematical function, a good way to judge it is that any line drawn parallel to the y-axis intersects with the values in the function’s curve only once. The same ...

A date-and-cost line chart tracks a commodity's changing price over time. Economists use such diagrams to display broad market trends and predict future prices. Businesses that restock continually use ...

Charts and sparklines are powerful data visualization tools in Excel. Here’s a guide to the most popular chart types in Excel and how to best use them. Microsoft Excel offers a plethora of tools for ...

Microsoft Excel 2007 supports a variety of chart types to create a combination chart and help your viewers see the differences between two or more data series. For example, one data series in a line ...

In this video, learn to create five advanced Excel visuals to enhance your presentations: 1. A column chart where negative ...

Whether working with a team or alone, you need to maintain a project’s schedule. One tool that can keep you on track is a burndown chart created in Microsoft Excel. These are line charts that compare ...

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, ...

Is your chart boring? Try Excel’s people chart to liven things up. Susan Harkins shows you how. A people chart is an infographic, which leads me to a second definition. An infographic tells a story, ...

Have you ever come across a Wall Street Journal chart and thought, “Wow, I wish I could create something that polished”? Whether you’re preparing for a big presentation, crafting a report, or simply ...