Stacked charts in Microsoft Excel are a practical way to display three or more data series. A clustered chart is very similar to a stacked chart, and displays clustered columns that compare values ...

There's an easy way to create stacked bar charts in Excel. The real challenge is organizing data to make sure everything shows up as effectively as possible. This guide shows when to use stacked bar ...

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 ...

A data set that occurs frequently consists of the values or the percentage breakdown of several categories for two time periods. A common way of plotting these data is to use a pair of pie charts.