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 ...

Adding a graph in a spreadsheet is no big deal as long as you know the process. However, do you know that you can make a curved line graph in Excel or Google Sheets? If not, you should check out this ...

Microsoft Excel doesn't always provide everything you need when it generates graphs. For example, by default, your line graph doesn't included a title. However, this doesn't mean you have to go ...

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 ...

I’m starting a series on dashboards because I think creating sexy dashboards is a critical skill every marketer needs to know. It’s going to be a long series — but by the time we’re finished, you’ll ...

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 ...

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, ...